Q: What is the digital root of 166,145,666

 A: 5

Why is 5 the digital root of the number 166,145,666?

The digital root of a number is calculated by splitting the digits of a number and then adding them together. You keep splitting and adding the digits until you reach a single positive number.

How do you calculate the digital root of 166,145,666?


Split the number up and add each digit together:


1 + 6 + 6 + 1 + 4 + 5 + 6 + 6 + 6 = 41

If the answer is more than one digit, you would add each digit of the answer together again:

4 + 1 = 5

What is the digital root of number 166,145,666?

Answer: 5


More Examples

Number 166,145,664166,145,665166,145,667166,145,668
Digital Root 3467

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