80504165 has 16 divisors (see below), whose sum is σ = 110755200. Its totient is φ = 55028160.

The previous prime is 80504147. The next prime is 80504189. The reversal of 80504165 is 56140508.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-80504165 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 8111 + ... + 15059.

It is an arithmetic number, because the mean of its divisors is an integer number (6922200).

Almost surely, 2^80504165 is an apocalyptic number.

It is an amenable number.

80504165 is a deficient number, since it is larger than the sum of its proper divisors (30251035).

80504165 is a wasteful number, since it uses less digits than its factorization.

80504165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7292.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 80504165 is about 8972.4113258366. The cubic root of 80504165 is about 431.7902019846.

The spelling of 80504165 in words is "eighty million, five hundred four thousand, one hundred sixty-five".