18285828188 has 12 divisors (see below), whose sum is σ = 32023515720. Its totient is φ = 9136252272.

The previous prime is 18285828163. The next prime is 18285828193. The reversal of 18285828188 is 88182858281.

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, 1659278 + ... + 1670261.

It is an arithmetic number, because the mean of its divisors is an integer number (2668626310).

Almost surely, 2^18285828188 is an apocalyptic number.

It is an amenable number.

18285828188 is a deficient number, since it is larger than the sum of its proper divisors (13737687532).

18285828188 is a wasteful number, since it uses less digits than its factorization.

18285828188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330916 (or 3330914 counting only the distinct ones).

The product of its digits is 5242880, while the sum is 59.

The spelling of 18285828188 in words is "eighteen billion, two hundred eighty-five million, eight hundred twenty-eight thousand, one hundred eighty-eight".