18510704668 has 12 divisors (see below), whose sum is σ = 32427239152. Its totient is φ = 9245779200.

The previous prime is 18510704627. The next prime is 18510704671. The reversal of 18510704668 is 86640701581.

It is a congruent number.

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, 2388933 + ... + 2396668.

Almost surely, 2^18510704668 is an apocalyptic number.

It is an amenable number.

18510704668 is a deficient number, since it is larger than the sum of its proper divisors (13916534484).

18510704668 is a wasteful number, since it uses less digits than its factorization.

18510704668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4786572 (or 4786570 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 18510704668 in words is "eighteen billion, five hundred ten million, seven hundred four thousand, six hundred sixty-eight".