Q: What is the negative version of the number 666,444,561?
A: -666,444,561
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:
| 666,444,559 | 666,444,560 | 666,444,562 | 666,444,563 |
| -666,444,559 | -666,444,560 | -666,444,562 | -666,444,563 |