800172162 has 32 divisors (see below), whose sum is σ = 1855474560. Its totient is φ = 255126960.

The previous prime is 800172151. The next prime is 800172181. The reversal of 800172162 is 261271008.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320889 + ... + 323372.

It is an arithmetic number, because the mean of its divisors is an integer number (57983580).

Almost surely, 2^800172162 is an apocalyptic number.

800172162 is an abundant number, since it is smaller than the sum of its proper divisors (1055302398).

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

800172162 is a wasteful number, since it uses less digits than its factorization.

800172162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644295 (or 644289 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 800172162 is about 28287.3145066830. The cubic root of 800172162 is about 928.3843540476.

The spelling of 800172162 in words is "eight hundred million, one hundred seventy-two thousand, one hundred sixty-two".