18932014656 has 560 divisors, whose sum is σ = 63110424960. Its totient is φ = 5583790080.

The previous prime is 18932014643. The next prime is 18932014669. The reversal of 18932014656 is 65641023981.

18932014656 is a `hidden beast` number, since 189 + 3 + 2 + 0 + 1 + 465 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (18932014643) and next prime (18932014669).

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, 138189820 + ... + 138189956.

Almost surely, 2^18932014656 is an apocalyptic number.

18932014656 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 18932014656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31555212480).

18932014656 is an abundant number, since it is smaller than the sum of its proper divisors (44178410304).

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

18932014656 is a wasteful number, since it uses less digits than its factorization.

18932014656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 18932014656 in words is "eighteen billion, nine hundred thirty-two million, fourteen thousand, six hundred fifty-six".