80612664 has 32 divisors (see below), whose sum is σ = 219853440. Its totient is φ = 24428000.

The previous prime is 80612639. The next prime is 80612681. The reversal of 80612664 is 46621608.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 152412 + ... + 152939.

It is an arithmetic number, because the mean of its divisors is an integer number (6870420).

Almost surely, 2^80612664 is an apocalyptic number.

It is an amenable number.

80612664 is an abundant number, since it is smaller than the sum of its proper divisors (139240776).

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

80612664 is a wasteful number, since it uses less digits than its factorization.

80612664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305371 (or 305367 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 80612664 is about 8978.4555464735. The cubic root of 80612664 is about 431.9840957794.

The spelling of 80612664 in words is "eighty million, six hundred twelve thousand, six hundred sixty-four".