Is 1666 a deficient number and what is its deficiency?

Is 1666 a deficient number?

Here we will explain and calculate if 1666 is a deficient number and its deficiency if applicable.

1666 is a deficient number if the sum of its proper divisors is less than 1666.

The sum of its proper divisors is calculated as follows: 1 + 2 + 7 + 14 + 17 + 34 + 49 + 98 + 119 + 238 + 833 = 1412.

1412 is less than 1666. Therefore, 1666 is a deficient number.

The deficiency of 1666 is 1666 minus the sum of its proper divisors. Thus, the deficiency of 1666 is 1666 - 1412 = 254

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