18860964196 has 12 divisors (see below), whose sum is σ = 33152092848. Its totient is φ = 9388937672.

The previous prime is 18860964173. The next prime is 18860964253. The reversal of 18860964196 is 69146906881.

It is a self number, because there is not a number n which added to its sum of digits gives 18860964196.

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, 10385086 + ... + 10386901.

It is an arithmetic number, because the mean of its divisors is an integer number (2762674404).

Almost surely, 2^18860964196 is an apocalyptic number.

It is an amenable number.

18860964196 is a deficient number, since it is larger than the sum of its proper divisors (14291128652).

18860964196 is a wasteful number, since it uses less digits than its factorization.

18860964196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20772218 (or 20772216 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 58.

The spelling of 18860964196 in words is "eighteen billion, eight hundred sixty million, nine hundred sixty-four thousand, one hundred ninety-six".