Q: What is the negative version of the number 667,221,615?
A: -667,221,615
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:
| 667,221,613 | 667,221,614 | 667,221,616 | 667,221,617 |
| -667,221,613 | -667,221,614 | -667,221,616 | -667,221,617 |