Is 668 a deficient number and what is its deficiency?

Is 668 a deficient number?

Here we will explain and calculate if 668 is a deficient number and its deficiency if applicable.

668 is a deficient number if the sum of its proper divisors is less than 668.

The sum of its proper divisors is calculated as follows: 1 + 2 + 4 + 167 + 334 = 508.

508 is less than 668. Therefore, 668 is a deficient number.

The deficiency of 668 is 668 minus the sum of its proper divisors. Thus, the deficiency of 668 is 668 - 508 = 160

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