Q: What is the negative version of the number 21,668,866?
A: -21,668,866
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:
| 21,668,864 | 21,668,865 | 21,668,867 | 21,668,868 |
| -21,668,864 | -21,668,865 | -21,668,867 | -21,668,868 |