Is 1668 a deficient number and what is its deficiency?

Is 1668 a deficient number?

Here we will explain and calculate if 1668 is a deficient number and its deficiency if applicable.

1668 is a deficient number if the sum of its proper divisors is less than 1668.

The sum of its proper divisors is calculated as follows: 1 + 2 + 3 + 4 + 6 + 12 + 139 + 278 + 417 + 556 + 834 = 2252.

2252 is not less than 1668. Therefore, 1668 is not a deficient number.

The deficiency of 1668 is 1668 minus the sum of its proper divisors. Thus, the deficiency of 1668 is 1668 - 2252 = No Deficiency

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