18264348368 has 40 divisors (see below), whose sum is σ = 41747089920. Its totient is φ = 7575073920.

The previous prime is 18264348343. The next prime is 18264348383. The reversal of 18264348368 is 86384346281.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2626763 + ... + 2633706.

It is an arithmetic number, because the mean of its divisors is an integer number (1043677248).

Almost surely, 2^18264348368 is an apocalyptic number.

It is an amenable number.

18264348368 is an abundant number, since it is smaller than the sum of its proper divisors (23482741552).

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

18264348368 is a wasteful number, since it uses less digits than its factorization.

18264348368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5260515 (or 5260509 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 53.

The spelling of 18264348368 in words is "eighteen billion, two hundred sixty-four million, three hundred forty-eight thousand, three hundred sixty-eight".