18710407161648 has 60 divisors (see below), whose sum is σ = 54302529438248. Its totient is φ = 6236802385920.

The previous prime is 18710407161637. The next prime is 18710407161671. The reversal of 18710407161648 is 84616170401781.

18710407161648 is a `hidden beast` number, since 1 + 8 + 7 + 10 + 4 + 0 + 7 + 1 + 616 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 18710407161594 and 18710407161603.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2406169873 + ... + 2406177648.

Almost surely, 2^{18710407161648} is an apocalyptic number.

18710407161648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18710407161648 is an abundant number, since it is smaller than the sum of its proper divisors (35592122276600).

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

18710407161648 is an equidigital number, since it uses as much as digits as its factorization.

18710407161648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812347544 (or 4812347526 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 54.

The spelling of 18710407161648 in words is "eighteen trillion, seven hundred ten billion, four hundred seven million, one hundred sixty-one thousand, six hundred forty-eight".