We're dividing 85633821 by 166 
Let's see how many times 166 fits into 85633821.

Advancing to step 1:
166 can be fit into 8 0 times, resulting in a remainder of 8.
Write down 0 as next digit of the result. 
Result so far: 0.0
Deduct 0 from 8 and we're left with 8.
Bring next digit (5) of the dividend behind the 8 and repeat the process: 85 / 166

On to step 2:
If we divide 85 by 166, we get 0 and a remainder of 85.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 85, we end up with 85.
Fetch the next digit (6) from the dividend, attach it to 85 and continue: 856 / 166

Step 3:
If we divide 856 by 166, we get 5 and a remainder of 26.
Write down 5 as next digit of the result. 
Result so far: 5.0
Deduct 830 from 856 and we're left with 26.
Append the next digit (3) from the dividend to 26 and continue with: 263 / 166

Step 4:
If we divide 263 by 166, we get 1 and a remainder of 97.
The number 1 becomes the next digit in our result. 
Result so far: 51.0
Deduct 166 from 263 and we're left with 97.
Take the next digit (3) from the dividend and append it to 97, then repeat: 973 / 166

Moving on to step 5:
166 can be fit into 973 5 times, resulting in a remainder of 143.
Put 5 as the next digit of the answer. 
Result so far: 515.0
If we subtract 830 from 973, we get 143.
Append the next digit (8) from the dividend to 143 and continue with: 1438 / 166

Let's proceed to step 6:
If we divide 1438 by 166, we get 8 and a remainder of 110.
Put 8 as the next digit of the answer. 
Result so far: 5158.0
Subtracting 1328 from 1438 leaves us with 110.
Grab the next digit (2) from the dividend, add it to 110, then carry on: 1102 / 166

Let's proceed to step 7:
166 goes into 1102 6 times with a remainder of 106.
Use 6 as the next digit of our solution. 
Result so far: 51586.0
Subtract 996 from 1102 to get 106.
Bring next digit (1) of the dividend behind the 106 and repeat the process: 1061 / 166

On to step 8:
166 goes into 1061 6 times with a remainder of 65.
The number 6 becomes the next digit in our result. 
Result so far: 515866.0
If we subtract 996 from 1061, we get 65.
Since there are no more digits in the dividend, we add a zero to the remainder making it 650, and continue the process.

Let's proceed to step 9:
When dividing 650 by 166, we get 3 with a remainder of 152.
Write down 3 as next digit of the result. 
Result so far: 515866.3
Deduct 498 from 650 and we're left with 152.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1520, and continue the process.

Going ahead to step 10:
166 goes into 1520 9 times with a remainder of 26.
Write down 9 as next digit of the result. 
Result so far: 515866.39
If we subtract 1494 from 1520, we get 26.
Since there are no more digits in the dividend, we add a zero to the remainder making it 260, and continue the process.

Moving on to step 11:
The number 166 fits into 260 1 times, leaving a remainder of 94.
Put 1 as the next digit of the answer. 
Result so far: 515866.391
Deduct 166 from 260 and we're left with 94.
Since there are no more digits in the dividend, we add a zero to the remainder making it 940, and continue the process.

Going ahead to step 12:
If we divide 940 by 166, we get 5 and a remainder of 110.
Use 5 as the next digit of our solution. 
Result so far: 515866.3915
Deduct 830 from 940 and we're left with 110.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1100, and continue the process.

Step 13:
When dividing 1100 by 166, we get 6 with a remainder of 104.
Record the quotient 6 as the next digit in the result. 
Result so far: 515866.39156
Deduct 996 from 1100 and we're left with 104.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1040, and continue the process.

On to step 14:
1040 divided by 166 is 6 with a remainder of 44.
Write down 6 as next digit of the result. 
Result so far: 515866.391566
Subtracting 996 from 1040 leaves us with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

After the division, we end up with 515866.391566 and a remainder of 4.4e-06.