326716045065 has 12 divisors (see below), whose sum is σ = 566307811524. Its totient is φ = 174248557344.

The previous prime is 326716045031. The next prime is 326716045069. The reversal of 326716045065 is 560540617623.

326716045065 is a `hidden beast` number, since 32 + 6 + 7 + 1 + 604 + 5 + 0 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 39595826169 + 287120218896 = 198987^2 + 535836^2 .

It is not a de Polignac number, because 326716045065 - 2⁹ = 326716044553 is a prime.

It is a super-2 number, since 2×326716045065² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 7260356557 = 326716045065 / (3 + 2 + 6 + 7 + 1 + 6 + 0 + 4 + 5 + 0 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 326716045065.

It is not an unprimeable number, because it can be changed into a prime (326716045069) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3630178234 + ... + 3630178323.

It is an arithmetic number, because the mean of its divisors is an integer number (47192317627).

Almost surely, 2^326716045065 is an apocalyptic number.

It is an amenable number.

326716045065 is a deficient number, since it is larger than the sum of its proper divisors (239591766459).

326716045065 is a wasteful number, since it uses less digits than its factorization.

326716045065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7260356568 (or 7260356565 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 326716045065 in words is "three hundred twenty-six billion, seven hundred sixteen million, forty-five thousand, sixty-five".