6636 ÷ 1 = 6636 R0
No problem, we've got 6636 and 1 for the division.

Step 1:
1 goes into 6 6 times with a remainder of 0.
Write down 6 as next digit of of the result. 
Result so far: 6
Subtract 6 from 6 to get 0.
Bring next digit (6) of the dividend behind the 0 and repeat the process: 6 / 1

Step 2:
1 goes into 6 6 times with a remainder of 0.
Write down 6 as next digit of of the result. 
Result so far: 66
Subtract 6 from 6 to get 0.
Bring next digit (3) of the dividend behind the 0 and repeat the process: 3 / 1

Step 3:
1 goes into 3 3 times with a remainder of 0.
Write down 3 as next digit of of the result. 
Result so far: 663
Subtract 3 from 3 to get 0.
Bring next digit (6) of the dividend behind the 0 and repeat the process: 6 / 1

Step 4:
1 goes into 6 6 times with a remainder of 0.
Write down 6 as next digit of of the result. 
Result so far: 6636
Subtract 6 from 6 to get 0.

The final result is 6636 with a remainder of 0.