18264524918 has 4 divisors (see below), whose sum is σ = 27396787380. Its totient is φ = 9132262458.

The previous prime is 18264524903. The next prime is 18264524951. The reversal of 18264524918 is 81942546281.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 4566131228 + ... + 4566131231.

It is an arithmetic number, because the mean of its divisors is an integer number (6849196845).

Almost surely, 2^18264524918 is an apocalyptic number.

18264524918 is a deficient number, since it is larger than the sum of its proper divisors (9132262462).

18264524918 is an equidigital number, since it uses as much as digits as its factorization.

18264524918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9132262461.

The product of its digits is 1105920, while the sum is 50.

The spelling of 18264524918 in words is "eighteen billion, two hundred sixty-four million, five hundred twenty-four thousand, nine hundred eighteen".