18320110765 has 32 divisors (see below), whose sum is σ = 25832742912. Its totient is φ = 12333288000.

The previous prime is 18320110723. The next prime is 18320110771. The reversal of 18320110765 is 56701102381.

It is a happy number.

It is not a de Polignac number, because 18320110765 - 2¹³ = 18320102573 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18320110765.

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 31 ways as a sum of consecutive naturals, for example, 194371 + ... + 272800.

It is an arithmetic number, because the mean of its divisors is an integer number (807273216).

Almost surely, 2^18320110765 is an apocalyptic number.

It is an amenable number.

18320110765 is a deficient number, since it is larger than the sum of its proper divisors (7512632147).

18320110765 is a wasteful number, since it uses less digits than its factorization.

18320110765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467241.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 18320110765 in words is "eighteen billion, three hundred twenty million, one hundred ten thousand, seven hundred sixty-five".