818010172 has 12 divisors (see below), whose sum is σ = 1636020400. Its totient is φ = 350575776.

The previous prime is 818010139. The next prime is 818010181. The reversal of 818010172 is 271010818.

818010172 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 29214649 = 818010172 / (8 + 1 + 8 + 0 + 1 + 0 + 1 + 7 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 818010172.

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 3 ways as a sum of consecutive naturals, for example, 14607297 + ... + 14607352.

Almost surely, 2^818010172 is an apocalyptic number.

It is an amenable number.

818010172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

818010172 is a wasteful number, since it uses less digits than its factorization.

818010172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29214660 (or 29214658 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 28.

The square root of 818010172 is about 28600.8771194172. The cubic root of 818010172 is about 935.2324517611.

The spelling of 818010172 in words is "eight hundred eighteen million, ten thousand, one hundred seventy-two".