Is 166 a deficient number and what is its deficiency?

Is 166 a deficient number?

Here we will explain and calculate if 166 is a deficient number and its deficiency if applicable.

166 is a deficient number if the sum of its proper divisors is less than 166.

The sum of its proper divisors is calculated as follows: 1 + 2 + 83 = 86.

86 is less than 166. Therefore, 166 is a deficient number.

The deficiency of 166 is 166 minus the sum of its proper divisors. Thus, the deficiency of 166 is 166 - 86 = 80

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