320164526116065 has 16 divisors (see below), whose sum is σ = 534535556646528. Its totient is φ = 163330308974976.

The previous prime is 320164526115919. The next prime is 320164526116139. The reversal of 320164526116065 is 560611625461023.

It is a happy number.

It is not a de Polignac number, because 320164526116065 - 2¹⁷ = 320164525984993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 464006559244 + ... + 464006559933.

It is an arithmetic number, because the mean of its divisors is an integer number (33408472290408).

Almost surely, 2^{320164526116065} is an apocalyptic number.

It is an amenable number.

320164526116065 is a deficient number, since it is larger than the sum of its proper divisors (214371030530463).

320164526116065 is a wasteful number, since it uses less digits than its factorization.

320164526116065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928013119208.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 320164526116065 in words is "three hundred twenty trillion, one hundred sixty-four billion, five hundred twenty-six million, one hundred sixteen thousand, sixty-five".