80664552 has 32 divisors (see below), whose sum is σ = 224068800. Its totient is φ = 26888112.

The previous prime is 80664539. The next prime is 80664587. The reversal of 80664552 is 25546608.

80664552 is a `hidden beast` number, since 8 + 0 + 6 + 645 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 186508 + ... + 186939.

It is an arithmetic number, because the mean of its divisors is an integer number (7002150).

Almost surely, 2^80664552 is an apocalyptic number.

It is an amenable number.

80664552 is an abundant number, since it is smaller than the sum of its proper divisors (143404248).

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

80664552 is a wasteful number, since it uses less digits than its factorization.

80664552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373462 (or 373452 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 80664552 is about 8981.3446654719. The cubic root of 80664552 is about 432.0767610511.

The spelling of 80664552 in words is "eighty million, six hundred sixty-four thousand, five hundred fifty-two".