185013868 has 48 divisors (see below), whose sum is σ = 368919040. Its totient is φ = 80481600.

The previous prime is 185013847. The next prime is 185013877. The reversal of 185013868 is 868310581.

It is a self number, because there is not a number n which added to its sum of digits gives 185013868.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267403 + ... + 268093.

Almost surely, 2^185013868 is an apocalyptic number.

It is an amenable number.

185013868 is a deficient number, since it is larger than the sum of its proper divisors (183905172).

185013868 is a wasteful number, since it uses less digits than its factorization.

185013868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 185013868 is about 13601.9802970009. The cubic root of 185013868 is about 569.8161590361.

The spelling of 185013868 in words is "one hundred eighty-five million, thirteen thousand, eight hundred sixty-eight".