Q: What is the negative version of the number 664,445,620?
A: -664,445,620
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:
| 664,445,618 | 664,445,619 | 664,445,621 | 664,445,622 |
| -664,445,618 | -664,445,619 | -664,445,621 | -664,445,622 |