375686664 has 32 divisors (see below), whose sum is σ = 939948000. Its totient is φ = 125131392.

The previous prime is 375686653. The next prime is 375686681. The reversal of 375686664 is 466686573.

It is a super-2 number, since 2×375686664² = 282280939014897792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29652 + ... + 40380.

It is an arithmetic number, because the mean of its divisors is an integer number (29373375).

Almost surely, 2^375686664 is an apocalyptic number.

It is an amenable number.

375686664 is an abundant number, since it is smaller than the sum of its proper divisors (564261336).

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

375686664 is a wasteful number, since it uses less digits than its factorization.

375686664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12197 (or 12193 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 51.

The square root of 375686664 is about 19382.6382105223. The cubic root of 375686664 is about 721.5646682651.

Subtracting 375686664 from its reverse (466686573), we obtain a palindrome (90999909).

The spelling of 375686664 in words is "three hundred seventy-five million, six hundred eighty-six thousand, six hundred sixty-four".