18414910656 has 560 divisors, whose sum is σ = 61290972160. Its totient is φ = 5441955840.

The previous prime is 18414910627. The next prime is 18414910699. The reversal of 18414910656 is 65601941481.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 112974831 + ... + 112974993.

Almost surely, 2^18414910656 is an apocalyptic number.

18414910656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18414910656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30645486080).

18414910656 is an abundant number, since it is smaller than the sum of its proper divisors (42876061504).

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

18414910656 is a wasteful number, since it uses less digits than its factorization.

18414910656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 18414910656 in words is "eighteen billion, four hundred fourteen million, nine hundred ten thousand, six hundred fifty-six".