Q: What is the negative version of the number 667,121,661?
A: -667,121,661
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:
| 667,121,659 | 667,121,660 | 667,121,662 | 667,121,663 |
| -667,121,659 | -667,121,660 | -667,121,662 | -667,121,663 |