2656035644161 has 16 divisors (see below), whose sum is σ = 2816138669184. Its totient is φ = 2496363128064.

The previous prime is 2656035644137. The next prime is 2656035644189. The reversal of 2656035644161 is 1614465306562.

It is a cyclic number.

It is not a de Polignac number, because 2656035644161 - 2²⁵ = 2656002089729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2656035644111) 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 15 ways as a sum of consecutive naturals, for example, 124411290 + ... + 124432636.

It is an arithmetic number, because the mean of its divisors is an integer number (176008666824).

Almost surely, 2^{2656035644161} is an apocalyptic number.

It is an amenable number.

2656035644161 is a deficient number, since it is larger than the sum of its proper divisors (160103025023).

2656035644161 is a wasteful number, since it uses less digits than its factorization.

2656035644161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31080.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 2656035644161 in words is "two trillion, six hundred fifty-six billion, thirty-five million, six hundred forty-four thousand, one hundred sixty-one".