Q: What is the negative version of the number 13,638,660?
A: -13,638,660
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:
| 13,638,658 | 13,638,659 | 13,638,661 | 13,638,662 |
| -13,638,658 | -13,638,659 | -13,638,661 | -13,638,662 |