6560605161 has 24 divisors (see below), whose sum is σ = 10617332544. Its totient is φ = 3868659360.

The previous prime is 6560605157. The next prime is 6560605193. The reversal of 6560605161 is 1615060656.

It is not a de Polignac number, because 6560605161 - 2² = 6560605157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6560605111) 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 23 ways as a sum of consecutive naturals, for example, 891861 + ... + 899186.

It is an arithmetic number, because the mean of its divisors is an integer number (442388856).

Almost surely, 2^6560605161 is an apocalyptic number.

It is an amenable number.

6560605161 is a deficient number, since it is larger than the sum of its proper divisors (4056727383).

6560605161 is a wasteful number, since it uses less digits than its factorization.

6560605161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791101 (or 1791098 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 6560605161 is about 80997.5626855525. The cubic root of 6560605161 is about 1872.0378863483.

The spelling of 6560605161 in words is "six billion, five hundred sixty million, six hundred five thousand, one hundred sixty-one".