18864568296 has 192 divisors, whose sum is σ = 62007379200. Its totient is φ = 5057869824.

The previous prime is 18864568253. The next prime is 18864568301. The reversal of 18864568296 is 69286546881.

18864568296 is a `hidden beast` number, since 1 + 8 + 8 + 64 + 568 + 2 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3072846 + ... + 3078978.

It is an arithmetic number, because the mean of its divisors is an integer number (322955100).

Almost surely, 2^18864568296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18864568296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31003689600).

18864568296 is an abundant number, since it is smaller than the sum of its proper divisors (43142810904).

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

18864568296 is a wasteful number, since it uses less digits than its factorization.

18864568296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6528 (or 6521 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 63.

The spelling of 18864568296 in words is "eighteen billion, eight hundred sixty-four million, five hundred sixty-eight thousand, two hundred ninety-six".