Let's divide 66408964 by 664
We're looking to find how many times 664 goes into 66408964.

On to step 1:
664 can be fit into 6 0 times, resulting in a remainder of 6.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
If we take 0 away from 6, we end up with 6.
Include the next digit (6) from the dividend after 6, then repeat: 66 / 664

Let's proceed to step 2:
The number 664 fits into 66 0 times, leaving a remainder of 66.
Record the quotient 0 as the next digit in the result. 
Result so far: 0.0
Subtract 0 from 66 to get 66.
Take the next digit (4) from the dividend and append it to 66, then repeat: 664 / 664

Going ahead to step 3:
The number 664 fits into 664 1 times, leaving a remainder of 0.
Use 1 as the next digit of our solution. 
Result so far: 1.0
The remainder is 0 after subtracting 664 from 664.
Grab the next digit (0) from the dividend, add it to 0, then carry on: 0 / 664

Moving on to step 4:
0 divided by 664 is 0 with a remainder of 0.
Use 0 as the next digit of our solution. 
Result so far: 10.0
If we subtract 0 from 0, we get 0.
Take the next digit (8) from the dividend and append it to 0, then repeat: 8 / 664

Going ahead to step 5:
The number 664 fits into 8 0 times, leaving a remainder of 8.
The number 0 becomes the next digit in our result. 
Result so far: 100.0
Subtracting 0 from 8 leaves us with 8.
Fetch the next digit (9) from the dividend, attach it to 8 and continue: 89 / 664

Going ahead to step 6:
When dividing 89 by 664, we get 0 with a remainder of 89.
Write down 0 as next digit of the result. 
Result so far: 1000.0
Subtracting 0 from 89 leaves us with 89.
Bring next digit (6) of the dividend behind the 89 and repeat the process: 896 / 664

Let's proceed to step 7:
664 can be fit into 896 1 times, resulting in a remainder of 232.
Use 1 as the next digit of our solution. 
Result so far: 10001.0
The remainder is 232 after subtracting 664 from 896.
Include the next digit (4) from the dividend after 232, then repeat: 2324 / 664

Let's proceed to step 8:
2324 divided by 664 is 3 with a remainder of 332.
The number 3 becomes the next digit in our result. 
Result so far: 100013.0
If we subtract 1992 from 2324, we get 332.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3320, and continue the process.

Going ahead to step 9:
664 goes into 3320 5 times with a remainder of 0.
The next digit of our result is 5. 
Result so far: 100013.5
If we take 3320 away from 3320, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Let's proceed to step 10:
664 goes into 0 0 times with a remainder of 0.
Write down 0 as next digit of the result. 
Result so far: 100013.5
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Step 11:
If we divide 0 by 664, we get 0 and a remainder of 0.
Put 0 as the next digit of the answer. 
Result so far: 100013.5
If we take 0 away from 0, we end up with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

In conclusion, the division gives 100013.5 with a balance of 0.0.