18304509260016 has 160 divisors (see below), whose sum is σ = 60869094366720. Its totient is φ = 5158217811456.

The previous prime is 18304509259997. The next prime is 18304509260027. The reversal of 18304509260016 is 61006290540381.

18304509260016 is a `hidden beast` number, since 1 + 8 + 30 + 4 + 5 + 0 + 9 + 2 + 600 + 1 + 6 = 666.

It is a super-2 number, since 2×18304509260016² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41238690 + ... + 41680193.

It is an arithmetic number, because the mean of its divisors is an integer number (380431839792).

Almost surely, 2^{18304509260016} is an apocalyptic number.

18304509260016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18304509260016 is an abundant number, since it is smaller than the sum of its proper divisors (42564585106704).

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

18304509260016 is a wasteful number, since it uses less digits than its factorization.

18304509260016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82918980 (or 82918968 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 18304509260016 in words is "eighteen trillion, three hundred four billion, five hundred nine million, two hundred sixty thousand, sixteen".