18497716504 has 8 divisors (see below), whose sum is σ = 34683218460. Its totient is φ = 9248858248.

The previous prime is 18497716499. The next prime is 18497716511. The reversal of 18497716504 is 40561779481.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 1156107274 + ... + 1156107289.

Almost surely, 2^18497716504 is an apocalyptic number.

It is an amenable number.

18497716504 is a deficient number, since it is larger than the sum of its proper divisors (16185501956).

18497716504 is a wasteful number, since it uses less digits than its factorization.

18497716504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312214569 (or 2312214565 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 18497716504 in words is "eighteen billion, four hundred ninety-seven million, seven hundred sixteen thousand, five hundred four".