375821664 has 48 divisors (see below), whose sum is σ = 995779008. Its totient is φ = 124099712.

The previous prime is 375821659. The next prime is 375821683. The reversal of 375821664 is 466128573.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8022 + ... + 28565.

It is an arithmetic number, because the mean of its divisors is an integer number (20745396).

Almost surely, 2^375821664 is an apocalyptic number.

It is an amenable number.

375821664 is an abundant number, since it is smaller than the sum of its proper divisors (619957344).

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

375821664 is a wasteful number, since it uses less digits than its factorization.

375821664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36707 (or 36699 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 375821664 is about 19386.1203957883. The cubic root of 375821664 is about 721.6510874134.

The spelling of 375821664 in words is "three hundred seventy-five million, eight hundred twenty-one thousand, six hundred sixty-four".