Q: What is the negative version of the number 66,721,551?
A: -66,721,551
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 66,721,549 | 66,721,550 | 66,721,552 | 66,721,553 |
| -66,721,549 | -66,721,550 | -66,721,552 | -66,721,553 |