808166172 has 48 divisors (see below), whose sum is σ = 2062569600. Its totient is φ = 244253760.

The previous prime is 808166167. The next prime is 808166201. The reversal of 808166172 is 271661808.

It is a self number, because there is not a number n which added to its sum of digits gives 808166172.

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, 43479 + ... + 59217.

It is an arithmetic number, because the mean of its divisors is an integer number (42970200).

Almost surely, 2^808166172 is an apocalyptic number.

It is an amenable number.

808166172 is an abundant number, since it is smaller than the sum of its proper divisors (1254403428).

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

808166172 is a wasteful number, since it uses less digits than its factorization.

808166172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16146 (or 16144 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 808166172 is about 28428.2636121167. The cubic root of 808166172 is about 931.4657473974.

The spelling of 808166172 in words is "eight hundred eight million, one hundred sixty-six thousand, one hundred seventy-two".