2160256266065 has 16 divisors (see below), whose sum is σ = 2594073154176. Its totient is φ = 1727028230400.

The previous prime is 2160256266059. The next prime is 2160256266071. The reversal of 2160256266065 is 5606626520612.

It is an interprime number because it is at equal distance from previous prime (2160256266059) and next prime (2160256266071).

It is not a de Polignac number, because 2160256266065 - 2⁸ = 2160256265809 is a prime.

It is a Duffinian number.

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, 75227060 + ... + 75255770.

It is an arithmetic number, because the mean of its divisors is an integer number (162129572136).

Almost surely, 2^{2160256266065} is an apocalyptic number.

It is an amenable number.

2160256266065 is a deficient number, since it is larger than the sum of its proper divisors (433816888111).

2160256266065 is a wasteful number, since it uses less digits than its factorization.

2160256266065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38440.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 2160256266065 in words is "two trillion, one hundred sixty billion, two hundred fifty-six million, two hundred sixty-six thousand, sixty-five".