18216320835095 has 16 divisors (see below), whose sum is σ = 22663268901120. Its totient is φ = 14041373068800.

The previous prime is 18216320835043. The next prime is 18216320835103. The reversal of 18216320835095 is 59053802361281.

It is not a de Polignac number, because 18216320835095 - 2³² = 18212025867799 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 256568546 + ... + 256639535.

It is an arithmetic number, because the mean of its divisors is an integer number (1416454306320).

Almost surely, 2^{18216320835095} is an apocalyptic number.

18216320835095 is a deficient number, since it is larger than the sum of its proper divisors (4446948066025).

18216320835095 is a wasteful number, since it uses less digits than its factorization.

18216320835095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513208346.

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 18216320835095 in words is "eighteen trillion, two hundred sixteen billion, three hundred twenty million, eight hundred thirty-five thousand, ninety-five".