Q: What is the negative version of the number 664,015,155?
A: -664,015,155
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:
| 664,015,153 | 664,015,154 | 664,015,156 | 664,015,157 |
| -664,015,153 | -664,015,154 | -664,015,156 | -664,015,157 |