18967906704 has 20 divisors (see below), whose sum is σ = 49000425776. Its totient is φ = 6322635552.

The previous prime is 18967906691. The next prime is 18967906753. The reversal of 18967906704 is 40760976981.

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, 197582314 + ... + 197582409.

Almost surely, 2^18967906704 is an apocalyptic number.

It is an amenable number.

18967906704 is an abundant number, since it is smaller than the sum of its proper divisors (30032519072).

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

18967906704 is a wasteful number, since it uses less digits than its factorization.

18967906704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395164734 (or 395164728 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 57.

The spelling of 18967906704 in words is "eighteen billion, nine hundred sixty-seven million, nine hundred six thousand, seven hundred four".