Q: What is the negative version of the number 664,145,745?
A: -664,145,745
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:
| 664,145,743 | 664,145,744 | 664,145,746 | 664,145,747 |
| -664,145,743 | -664,145,744 | -664,145,746 | -664,145,747 |