18046807912458 has 64 divisors (see below), whose sum is σ = 43780571479680. Its totient is φ = 5476797327744.

The previous prime is 18046807912423. The next prime is 18046807912499. The reversal of 18046807912458 is 85421970864081.

18046807912458 is a `hidden beast` number, since 1 + 80 + 468 + 0 + 7 + 91 + 2 + 4 + 5 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 18046807912395 and 18046807912404.

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, 176028916 + ... + 176131407.

It is an arithmetic number, because the mean of its divisors is an integer number (684071429370).

Almost surely, 2^{18046807912458} is an apocalyptic number.

18046807912458 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

18046807912458 is an abundant number, since it is smaller than the sum of its proper divisors (25733763567222).

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

18046807912458 is a wasteful number, since it uses less digits than its factorization.

18046807912458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352160420 (or 352160414 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 63.

The spelling of 18046807912458 in words is "eighteen trillion, forty-six billion, eight hundred seven million, nine hundred twelve thousand, four hundred fifty-eight".