Q: What is the negative version of the number 664,006,645?
A: -664,006,645
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:
| 664,006,643 | 664,006,644 | 664,006,646 | 664,006,647 |
| -664,006,643 | -664,006,644 | -664,006,646 | -664,006,647 |