100663974 has 24 divisors (see below), whose sum is σ = 218351952. Its totient is φ = 33516720.

The previous prime is 100663967. The next prime is 100663993. The reversal of 100663974 is 479366001.

100663974 is a `hidden beast` number, since 10 + 0 + 6 + 639 + 7 + 4 = 666.

It is a super-2 number, since 2×100663974² = 20266471322945352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16504 + ... + 21764.

It is an arithmetic number, because the mean of its divisors is an integer number (9097998).

Almost surely, 2^100663974 is an apocalyptic number.

100663974 is an abundant number, since it is smaller than the sum of its proper divisors (117687978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100663974 is a wasteful number, since it uses less digits than its factorization.

100663974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6332 (or 6329 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 100663974 is about 10033.1437745106. The cubic root of 100663974 is about 465.1839161486.

It can be divided in two parts, 1006 and 63974, that added together give a triangular number (64980 = T₃₆₀).

The spelling of 100663974 in words is "one hundred million, six hundred sixty-three thousand, nine hundred seventy-four".