80216568 has 40 divisors (see below), whose sum is σ = 224682480. Its totient is φ = 26738640.

The previous prime is 80216551. The next prime is 80216573. The reversal of 80216568 is 86561208.

It is a happy number.

80216568 is a `hidden beast` number, since 80 + 2 + 16 + 568 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 61248 + ... + 62543.

It is an arithmetic number, because the mean of its divisors is an integer number (5617062).

Almost surely, 2^80216568 is an apocalyptic number.

It is an amenable number.

80216568 is an abundant number, since it is smaller than the sum of its proper divisors (144465912).

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

80216568 is a wasteful number, since it uses less digits than its factorization.

80216568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123809 (or 123796 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 80216568 is about 8956.3702469248. The cubic root of 80216568 is about 431.2754056866.

The spelling of 80216568 in words is "eighty million, two hundred sixteen thousand, five hundred sixty-eight".