18094164872 has 32 divisors (see below), whose sum is σ = 39052171200. Its totient is φ = 7698849984.

The previous prime is 18094164839. The next prime is 18094164877. The reversal of 18094164872 is 27846149081.

It is a self number, because there is not a number n which added to its sum of digits gives 18094164872.

It is not an unprimeable number, because it can be changed into a prime (18094164877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154483 + ... + 1170050.

It is an arithmetic number, because the mean of its divisors is an integer number (1220380350).

Almost surely, 2^18094164872 is an apocalyptic number.

It is an amenable number.

18094164872 is an abundant number, since it is smaller than the sum of its proper divisors (20958006328).

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

18094164872 is a wasteful number, since it uses less digits than its factorization.

18094164872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324685 (or 2324681 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 18094164872 in words is "eighteen billion, ninety-four million, one hundred sixty-four thousand, eight hundred seventy-two".