18286464188 has 12 divisors (see below), whose sum is σ = 33883742592. Its totient is φ = 8605394880.

The previous prime is 18286464173. The next prime is 18286464191. The reversal of 18286464188 is 88146468281.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134459228 + ... + 134459363.

It is an arithmetic number, because the mean of its divisors is an integer number (2823645216).

Almost surely, 2^18286464188 is an apocalyptic number.

It is an amenable number.

18286464188 is a deficient number, since it is larger than the sum of its proper divisors (15597278404).

18286464188 is a wasteful number, since it uses less digits than its factorization.

18286464188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268918612 (or 268918610 counting only the distinct ones).

The product of its digits is 4718592, while the sum is 56.

The spelling of 18286464188 in words is "eighteen billion, two hundred eighty-six million, four hundred sixty-four thousand, one hundred eighty-eight".