18041017864 has 16 divisors (see below), whose sum is σ = 35607272400. Its totient is φ = 8545745232.

The previous prime is 18041017859. The next prime is 18041017879. The reversal of 18041017864 is 46871014081.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59345302 + ... + 59345605.

It is an arithmetic number, because the mean of its divisors is an integer number (2225454525).

Almost surely, 2^18041017864 is an apocalyptic number.

It is an amenable number.

18041017864 is a deficient number, since it is larger than the sum of its proper divisors (17566254536).

18041017864 is a wasteful number, since it uses less digits than its factorization.

18041017864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118690932 (or 118690928 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The spelling of 18041017864 in words is "eighteen billion, forty-one million, seventeen thousand, eight hundred sixty-four".