18086957948 has 48 divisors (see below), whose sum is σ = 33772273920. Its totient is φ = 8457613824.

The previous prime is 18086957909. The next prime is 18086957953. The reversal of 18086957948 is 84975968081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 728483 + ... + 752901.

It is an arithmetic number, because the mean of its divisors is an integer number (703589040).

Almost surely, 2^18086957948 is an apocalyptic number.

It is an amenable number.

18086957948 is a deficient number, since it is larger than the sum of its proper divisors (15685315972).

18086957948 is a wasteful number, since it uses less digits than its factorization.

18086957948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24626 (or 24624 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 65.

The spelling of 18086957948 in words is "eighteen billion, eighty-six million, nine hundred fifty-seven thousand, nine hundred forty-eight".