2656230513161 has 4 divisors (see below), whose sum is σ = 2688233290512. Its totient is φ = 2624227735812.

The previous prime is 2656230513149. The next prime is 2656230513217. The reversal of 2656230513161 is 1613150326562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2656230513161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2656230513961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16001388551 + ... + 16001388716.

It is an arithmetic number, because the mean of its divisors is an integer number (672058322628).

Almost surely, 2^{2656230513161} is an apocalyptic number.

It is an amenable number.

2656230513161 is a deficient number, since it is larger than the sum of its proper divisors (32002777351).

2656230513161 is an equidigital number, since it uses as much as digits as its factorization.

2656230513161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32002777350.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 2656230513161 in words is "two trillion, six hundred fifty-six billion, two hundred thirty million, five hundred thirteen thousand, one hundred sixty-one".