166581 divided by 63 
We want to figure out the number of times 166581 can be divided by 63.

Step 1:
63 can be fit into 1 0 times, resulting in 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.
Grab the next digit (6) from the dividend, add it to 1, then carry on: 16 / 63

Advancing to step 2:
If we divide 16 by 63, we get 0 and a remainder of 16.
The next digit of our result is 0. 
Result so far: 0.0
Subtract 0 from 16 to get 16.
Fetch the next digit (6) from the dividend, attach it to 16 and continue: 166 / 63

Let's proceed to step 3:
166 divided by 63 is 2 with a remainder of 40.
The number 2 becomes the next digit in our result. 
Result so far: 2.0
If we subtract 126 from 166, we get 40.
Take the next digit (5) from the dividend and append it to 40, then repeat: 405 / 63

Let's proceed to step 4:
When dividing 405 by 63, we get 6 with a remainder of 27.
Put 6 as the next digit of the answer. 
Result so far: 26.0
If we take 378 away from 405, we end up with 27.
Fetch the next digit (8) from the dividend, attach it to 27 and continue: 278 / 63

Advancing to step 5:
63 goes into 278 4 times with a remainder of 26.
Write down 4 as next digit of the result. 
Result so far: 264.0
Deduct 252 from 278 and we're left with 26.
Grab the next digit (1) from the dividend, add it to 26, then carry on: 261 / 63

Going ahead to step 6:
63 can be fit into 261 4 times, resulting in a remainder of 9.
Write down 4 as next digit of the result. 
Result so far: 2644.0
If we subtract 252 from 261, we get 9.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

Moving on to step 7:
63 can be fit into 90 1 times, resulting in a remainder of 27.
Put 1 as the next digit of the answer. 
Result so far: 2644.1
Deduct 63 from 90 and we're left with 27.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

Going ahead to step 8:
63 goes into 270 4 times with a remainder of 18.
Record the quotient 4 as the next digit in the result. 
Result so far: 2644.14
If we take 252 away from 270, we end up with 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

On to step 9:
180 divided by 63 is 2 with a remainder of 54.
The next digit of our result is 2. 
Result so far: 2644.142
Subtracting 126 from 180 leaves us with 54.
Since there are no more digits in the dividend, we add a zero to the remainder making it 540, and continue the process.

Moving on to step 10:
When dividing 540 by 63, we get 8 with a remainder of 36.
Use 8 as the next digit of our solution. 
Result so far: 2644.1428
If we subtract 504 from 540, we get 36.
Since there are no more digits in the dividend, we add a zero to the remainder making it 360, and continue the process.

Let's proceed to step 11:
The number 63 fits into 360 5 times, leaving a remainder of 45.
Use 5 as the next digit of our solution. 
Result so far: 2644.14285
Subtracting 315 from 360 leaves us with 45.
Since there are no more digits in the dividend, we add a zero to the remainder making it 450, and continue the process.

Step 12:
63 goes into 450 7 times with a remainder of 9.
Put 7 as the next digit of the answer. 
Result so far: 2644.142857
The remainder is 9 after subtracting 441 from 450.
Since there are no more digits in the dividend, we add a zero to the remainder making it 90, and continue the process.

On to step 13:
63 can be fit into 90 1 times, resulting in a remainder of 27.
Use 1 as the next digit of our solution. 
Result so far: 2644.1428571
Deduct 63 from 90 and we're left with 27.
Since there are no more digits in the dividend, we add a zero to the remainder making it 270, and continue the process.

Step 14:
The number 63 fits into 270 4 times, leaving a remainder of 18.
Use 4 as the next digit of our solution. 
Result so far: 2644.14285714
Subtract 252 from 270 to get 18.
Since there are no more digits in the dividend, we add a zero to the remainder making it 180, and continue the process.

Our division results in 2644.14285714 with a remaining 1.8e-08.