18463078464 has 56 divisors (see below), whose sum is σ = 48861756480. Its totient is φ = 6152907264.

The previous prime is 18463078399. The next prime is 18463078499. The reversal of 18463078464 is 46487036481.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074162 + ... + 1091214.

Almost surely, 2^18463078464 is an apocalyptic number.

It is an amenable number.

18463078464 is an abundant number, since it is smaller than the sum of its proper divisors (30398678016).

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

18463078464 is a wasteful number, since it uses less digits than its factorization.

18463078464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22707 (or 22697 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 51.

The spelling of 18463078464 in words is "eighteen billion, four hundred sixty-three million, seventy-eight thousand, four hundred sixty-four".