18461062656 has 60 divisors (see below), whose sum is σ = 53279890092. Its totient is φ = 6153686016.

The previous prime is 18461062651. The next prime is 18461062667. The reversal of 18461062656 is 65626016481.

18461062656 is a `hidden beast` number, since 1 + 8 + 4 + 6 + 10 + 626 + 5 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18461062651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1998546 + ... + 2007761.

Almost surely, 2^18461062656 is an apocalyptic number.

18461062656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18461062656 is an abundant number, since it is smaller than the sum of its proper divisors (34818827436).

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

18461062656 is an equidigital number, since it uses as much as digits as its factorization.

18461062656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006331 (or 4006312 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 18461062656 in words is "eighteen billion, four hundred sixty-one million, sixty-two thousand, six hundred fifty-six".