2656361264165 has 16 divisors (see below), whose sum is σ = 3644084213760. Its totient is φ = 1820967626880.

The previous prime is 2656361264159. The next prime is 2656361264257. The reversal of 2656361264165 is 5614621636562.

2656361264165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2656361264165 - 2⁴⁰ = 1556849636389 is a prime.

It is a congruent 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, 11072120 + ... + 11309489.

It is an arithmetic number, because the mean of its divisors is an integer number (227755263360).

Almost surely, 2^{2656361264165} is an apocalyptic number.

It is an amenable number.

2656361264165 is a deficient number, since it is larger than the sum of its proper divisors (987722949595).

2656361264165 is a wasteful number, since it uses less digits than its factorization.

2656361264165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22385012.

The product of its digits is 9331200, while the sum is 53.

The spelling of 2656361264165 in words is "two trillion, six hundred fifty-six billion, three hundred sixty-one million, two hundred sixty-four thousand, one hundred sixty-five".