Q: What is the negative version of the number 161,821,680?
A: -161,821,680
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:
| 161,821,678 | 161,821,679 | 161,821,681 | 161,821,682 |
| -161,821,678 | -161,821,679 | -161,821,681 | -161,821,682 |