80500212165 has 16 divisors (see below), whose sum is σ = 133241731200. Its totient is φ = 41452982592.

The previous prime is 80500212161. The next prime is 80500212181. The reversal of 80500212165 is 56121200508.

It is not a de Polignac number, because 80500212165 - 2² = 80500212161 is a prime.

It is a super-2 number, since 2×80500212165² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80500212161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92528545 + ... + 92529414.

It is an arithmetic number, because the mean of its divisors is an integer number (8327608200).

Almost surely, 2^80500212165 is an apocalyptic number.

It is an amenable number.

80500212165 is a deficient number, since it is larger than the sum of its proper divisors (52741519035).

80500212165 is a wasteful number, since it uses less digits than its factorization.

80500212165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185057996.

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 80500212165 in words is "eighty billion, five hundred million, two hundred twelve thousand, one hundred sixty-five".