85550585 ÷ 166 
Our goal is to divide 85550585 by 166.

Moving on to step 1:
166 goes into 8 0 times with a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 8 leaves us with 8.
Include the next digit (5) from the dividend after 8, then repeat: 85 / 166

Advancing to step 2:
When dividing 85 by 166, we get 0 with a remainder of 85.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtract 0 from 85 to get 85.
Bring next digit (5) of the dividend behind the 85 and repeat the process: 855 / 166

Let's proceed to step 3:
The number 166 fits into 855 5 times, leaving a remainder of 25.
Record the quotient 5 as the next digit in the result. 
Result so far: 5.0
If we take 830 away from 855, we end up with 25.
Take the next digit (5) from the dividend and append it to 25, then repeat: 255 / 166

Advancing to step 4:
166 can be fit into 255 1 times, resulting in a remainder of 89.
Use 1 as the next digit of our solution. 
Result so far: 51.0
Subtracting 166 from 255 leaves us with 89.
Take the next digit (0) from the dividend and append it to 89, then repeat: 890 / 166

On to step 5:
890 divided by 166 is 5 with a remainder of 60.
Put 5 as the next digit of the answer. 
Result so far: 515.0
Deduct 830 from 890 and we're left with 60.
Bring next digit (5) of the dividend behind the 60 and repeat the process: 605 / 166

On to step 6:
605 divided by 166 is 3 with a remainder of 107.
Record the quotient 3 as the next digit in the result. 
Result so far: 5153.0
Deduct 498 from 605 and we're left with 107.
Grab the next digit (8) from the dividend, add it to 107, then carry on: 1078 / 166

On to step 7:
166 can be fit into 1078 6 times, resulting in a remainder of 82.
Record the quotient 6 as the next digit in the result. 
Result so far: 51536.0
The remainder is 82 after subtracting 996 from 1078.
Include the next digit (5) from the dividend after 82, then repeat: 825 / 166

Going ahead to step 8:
The number 166 fits into 825 4 times, leaving a remainder of 161.
The number 4 becomes the next digit in our result. 
Result so far: 515364.0
Deduct 664 from 825 and we're left with 161.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1610, and continue the process.

Advancing to step 9:
166 can be fit into 1610 9 times, resulting in a remainder of 116.
Write down 9 as next digit of the result. 
Result so far: 515364.9
Subtracting 1494 from 1610 leaves us with 116.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1160, and continue the process.

Going ahead to step 10:
1160 divided by 166 is 6 with a remainder of 164.
Use 6 as the next digit of our solution. 
Result so far: 515364.96
Subtract 996 from 1160 to get 164.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1640, and continue the process.

Going ahead to step 11:
1640 divided by 166 is 9 with a remainder of 146.
Use 9 as the next digit of our solution. 
Result so far: 515364.969
If we subtract 1494 from 1640, we get 146.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1460, and continue the process.

Step 12:
When dividing 1460 by 166, we get 8 with a remainder of 132.
Write down 8 as next digit of the result. 
Result so far: 515364.9698
Deduct 1328 from 1460 and we're left with 132.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1320, and continue the process.

Step 13:
1320 divided by 166 is 7 with a remainder of 158.
Record the quotient 7 as the next digit in the result. 
Result so far: 515364.96987
The remainder is 158 after subtracting 1162 from 1320.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1580, and continue the process.

Step 14:
1580 divided by 166 is 9 with a remainder of 86.
The number 9 becomes the next digit in our result. 
Result so far: 515364.969879
If we take 1494 away from 1580, we end up with 86.
Since there are no more digits in the dividend, we add a zero to the remainder making it 860, and continue the process.

Moving on to step 15:
860 divided by 166 is 5 with a remainder of 30.
Put 5 as the next digit of the answer. 
Result so far: 515364.9698795
If we take 830 away from 860, we end up with 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 300, and continue the process.

Step 16:
166 goes into 300 1 times with a remainder of 134.
Use 1 as the next digit of our solution. 
Result so far: 515364.96987951
Deduct 166 from 300 and we're left with 134.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1340, and continue the process.

Our division results in 515364.96987951 with a remaining 1.34e-07.