18364562605 has 8 divisors (see below), whose sum is σ = 22048445664. Its totient is φ = 14684336400.

The previous prime is 18364562603. The next prime is 18364562621. The reversal of 18364562605 is 50626546381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18364562605 - 2¹ = 18364562603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18364562603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903151 + ... + 923260.

It is an arithmetic number, because the mean of its divisors is an integer number (2756055708).

Almost surely, 2^18364562605 is an apocalyptic number.

It is an amenable number.

18364562605 is a deficient number, since it is larger than the sum of its proper divisors (3683883059).

18364562605 is a wasteful number, since it uses less digits than its factorization.

18364562605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828427.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 18364562605 in words is "eighteen billion, three hundred sixty-four million, five hundred sixty-two thousand, six hundred five".