16535591 divided by 812 
Let's see how many times 812 fits into 16535591.

On to step 1:
812 goes into 1 0 times with a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Deduct 0 from 1 and we're left with 1.
Bring next digit (6) of the dividend behind the 1 and repeat the process: 16 / 812

Step 2:
When dividing 16 by 812, we get 0 with a remainder of 16.
Put 0 as the next digit of the answer. 
Result so far: 0.0
Subtract 0 from 16 to get 16.
Include the next digit (5) from the dividend after 16, then repeat: 165 / 812

Moving on to step 3:
The number 812 fits into 165 0 times, leaving a remainder of 165.
Put 0 as the next digit of the answer. 
Result so far: 0.0
If we take 0 away from 165, we end up with 165.
Grab the next digit (3) from the dividend, add it to 165, then carry on: 1653 / 812

Going ahead to step 4:
1653 divided by 812 is 2 with a remainder of 29.
Put 2 as the next digit of the answer. 
Result so far: 2.0
If we subtract 1624 from 1653, we get 29.
Include the next digit (5) from the dividend after 29, then repeat: 295 / 812

On to step 5:
When dividing 295 by 812, we get 0 with a remainder of 295.
Use 0 as the next digit of our solution. 
Result so far: 20.0
If we subtract 0 from 295, we get 295.
Grab the next digit (5) from the dividend, add it to 295, then carry on: 2955 / 812

Going ahead to step 6:
2955 divided by 812 is 3 with a remainder of 519.
Use 3 as the next digit of our solution. 
Result so far: 203.0
Subtract 2436 from 2955 to get 519.
Take the next digit (9) from the dividend and append it to 519, then repeat: 5199 / 812

Let's proceed to step 7:
5199 divided by 812 is 6 with a remainder of 327.
Put 6 as the next digit of the answer. 
Result so far: 2036.0
If we take 4872 away from 5199, we end up with 327.
Append the next digit (1) from the dividend to 327 and continue with: 3271 / 812

Advancing to step 8:
812 goes into 3271 4 times with a remainder of 23.
Write down 4 as next digit of the result. 
Result so far: 20364.0
Subtracting 3248 from 3271 leaves us with 23.
Since there are no more digits in the dividend, we add a zero to the remainder making it 230, and continue the process.

Advancing to step 9:
The number 812 fits into 230 0 times, leaving a remainder of 230.
Record the quotient 0 as the next digit in the result. 
Result so far: 20364.0
The remainder is 230 after subtracting 0 from 230.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2300, and continue the process.

Let's proceed to step 10:
The number 812 fits into 2300 2 times, leaving a remainder of 676.
The next digit of our result is 2. 
Result so far: 20364.02
If we take 1624 away from 2300, we end up with 676.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6760, and continue the process.

Moving on to step 11:
812 can be fit into 6760 8 times, resulting in a remainder of 264.
Put 8 as the next digit of the answer. 
Result so far: 20364.028
If we take 6496 away from 6760, we end up with 264.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2640, and continue the process.

Advancing to step 12:
The number 812 fits into 2640 3 times, leaving a remainder of 204.
Record the quotient 3 as the next digit in the result. 
Result so far: 20364.0283
If we take 2436 away from 2640, we end up with 204.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2040, and continue the process.

Moving on to step 13:
If we divide 2040 by 812, we get 2 and a remainder of 416.
Use 2 as the next digit of our solution. 
Result so far: 20364.02832
If we subtract 1624 from 2040, we get 416.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4160, and continue the process.

Step 14:
4160 divided by 812 is 5 with a remainder of 100.
Record the quotient 5 as the next digit in the result. 
Result so far: 20364.028325
If we subtract 4060 from 4160, we get 100.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1000, and continue the process.

On to step 15:
If we divide 1000 by 812, we get 1 and a remainder of 188.
Put 1 as the next digit of the answer. 
Result so far: 20364.0283251
Deduct 812 from 1000 and we're left with 188.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1880, and continue the process.

Advancing to step 16:
If we divide 1880 by 812, we get 2 and a remainder of 256.
Use 2 as the next digit of our solution. 
Result so far: 20364.02832512
Subtract 1624 from 1880 to get 256.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2560, and continue the process.

After the division, we end up with 20364.02832512 and a remainder of 2.56e-07.