80501165 has 8 divisors (see below), whose sum is σ = 96649848. Its totient is φ = 64368640.

The previous prime is 80501143. The next prime is 80501189. The reversal of 80501165 is 56110508.

It can be written as a sum of positive squares in 4 ways, for example, as 11062276 + 69438889 = 3326^2 + 8333^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80501165 - 2⁶ = 80501101 is a prime.

It is a Duffinian number.

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, 15725 + ... + 20205.

It is an arithmetic number, because the mean of its divisors is an integer number (12081231).

Almost surely, 2^80501165 is an apocalyptic number.

It is an amenable number.

80501165 is a deficient number, since it is larger than the sum of its proper divisors (16148683).

80501165 is a wasteful number, since it uses less digits than its factorization.

80501165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8079.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 80501165 is about 8972.2441451401. The cubic root of 80501165 is about 431.7848383420.

The spelling of 80501165 in words is "eighty million, five hundred one thousand, one hundred sixty-five".