18314689680 has 400 divisors, whose sum is σ = 73705889664. Its totient is φ = 4128122880.

The previous prime is 18314689669. The next prime is 18314689691. The reversal of 18314689680 is 8698641381.

18314689680 = 594³ + 595³ + ... + 666³.

18314689680 is a `hidden beast` number, since 18 + 3 + 1 + 468 + 96 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (18314689669) and next prime (18314689691).

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

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, 3308515 + ... + 3314045.

Almost surely, 2^18314689680 is an apocalyptic number.

18314689680 is a gapful number since it is divisible by the number (10) 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 18314689680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36852944832).

18314689680 is an abundant number, since it is smaller than the sum of its proper divisors (55391199984).

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

18314689680 is a wasteful number, since it uses less digits than its factorization.

18314689680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636 (or 5621 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 18314689680 in words is "eighteen billion, three hundred fourteen million, six hundred eighty-nine thousand, six hundred eighty".