Q: What is the negative version of the number 15,645,663?
A: -15,645,663
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:
| 15,645,661 | 15,645,662 | 15,645,664 | 15,645,665 |
| -15,645,661 | -15,645,662 | -15,645,664 | -15,645,665 |