Q: What is the negative version of the number 664,610,646?
A: -664,610,646
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:
| 664,610,644 | 664,610,645 | 664,610,647 | 664,610,648 |
| -664,610,644 | -664,610,645 | -664,610,647 | -664,610,648 |