16591587 ÷ 998 
We want to divide 16591587 by 998.

Step 1:
If we divide 1 by 998, we get 0 and a remainder of 1.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 1, we end up with 1.
Bring next digit (6) of the dividend behind the 1 and repeat the process: 16 / 998

Going ahead to step 2:
The number 998 fits into 16 0 times, leaving a remainder of 16.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 16 leaves us with 16.
Grab the next digit (5) from the dividend, add it to 16, then carry on: 165 / 998

Step 3:
When dividing 165 by 998, we get 0 with a remainder of 165.
Write down 0 as next digit of the result. 
Result so far: 0.0
The remainder is 165 after subtracting 0 from 165.
Grab the next digit (9) from the dividend, add it to 165, then carry on: 1659 / 998

Moving on to step 4:
998 can be fit into 1659 1 times, resulting in a remainder of 661.
The number 1 becomes the next digit in our result. 
Result so far: 1.0
Subtract 998 from 1659 to get 661.
Bring next digit (1) of the dividend behind the 661 and repeat the process: 6611 / 998

Let's proceed to step 5:
The number 998 fits into 6611 6 times, leaving a remainder of 623.
Record the quotient 6 as the next digit in the result. 
Result so far: 16.0
Subtract 5988 from 6611 to get 623.
Append the next digit (5) from the dividend to 623 and continue with: 6235 / 998

Advancing to step 6:
When dividing 6235 by 998, we get 6 with a remainder of 247.
The number 6 becomes the next digit in our result. 
Result so far: 166.0
Subtract 5988 from 6235 to get 247.
Bring next digit (8) of the dividend behind the 247 and repeat the process: 2478 / 998

Going ahead to step 7:
When dividing 2478 by 998, we get 2 with a remainder of 482.
Write down 2 as next digit of the result. 
Result so far: 1662.0
The remainder is 482 after subtracting 1996 from 2478.
Fetch the next digit (7) from the dividend, attach it to 482 and continue: 4827 / 998

On to step 8:
If we divide 4827 by 998, we get 4 and a remainder of 835.
Write down 4 as next digit of the result. 
Result so far: 16624.0
The remainder is 835 after subtracting 3992 from 4827.
Since there are no more digits in the dividend, we add a zero to the remainder making it 8350, and continue the process.

Moving on to step 9:
998 goes into 8350 8 times with a remainder of 366.
The next digit of our result is 8. 
Result so far: 16624.8
Subtract 7984 from 8350 to get 366.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3660, and continue the process.

Advancing to step 10:
3660 divided by 998 is 3 with a remainder of 666.
The next digit of our result is 3. 
Result so far: 16624.83
Deduct 2994 from 3660 and we're left with 666.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6660, and continue the process.

On to step 11:
If we divide 6660 by 998, we get 6 and a remainder of 672.
Write down 6 as next digit of the result. 
Result so far: 16624.836
Deduct 5988 from 6660 and we're left with 672.
Since there are no more digits in the dividend, we add a zero to the remainder making it 6720, and continue the process.

Moving on to step 12:
When dividing 6720 by 998, we get 6 with a remainder of 732.
The number 6 becomes the next digit in our result. 
Result so far: 16624.8366
Subtract 5988 from 6720 to get 732.
Since there are no more digits in the dividend, we add a zero to the remainder making it 7320, and continue the process.

Our division results in 16624.8366 with a remaining 0.00732.