100564664 has 16 divisors (see below), whose sum is σ = 189371520. Its totient is φ = 50065600.

The previous prime is 100564637. The next prime is 100564697. The reversal of 100564664 is 466465001.

It is a super-2 number, since 2×100564664² = 20226503290865792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100564664.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25112 + ... + 28839.

It is an arithmetic number, because the mean of its divisors is an integer number (11835720).

Almost surely, 2^100564664 is an apocalyptic number.

It is an amenable number.

100564664 is a deficient number, since it is larger than the sum of its proper divisors (88806856).

100564664 is a wasteful number, since it uses less digits than its factorization.

100564664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54190 (or 54186 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 100564664 is about 10028.1934564507. The cubic root of 100564664 is about 465.0308901512.

The spelling of 100564664 in words is "one hundred million, five hundred sixty-four thousand, six hundred sixty-four".