18664150886 has 16 divisors (see below), whose sum is σ = 28422683136. Its totient is φ = 9190996416.

The previous prime is 18664150877. The next prime is 18664150909. The reversal of 18664150886 is 68805146681.

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 7 ways as a sum of consecutive naturals, for example, 233381 + ... + 302976.

It is an arithmetic number, because the mean of its divisors is an integer number (1776417696).

Almost surely, 2^18664150886 is an apocalyptic number.

18664150886 is a deficient number, since it is larger than the sum of its proper divisors (9758532250).

18664150886 is a wasteful number, since it uses less digits than its factorization.

18664150886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536623.

The product of its (nonzero) digits is 2211840, while the sum is 53.

The spelling of 18664150886 in words is "eighteen billion, six hundred sixty-four million, one hundred fifty thousand, eight hundred eighty-six".