6195731161 has 2 divisors, whose sum is σ = 6195731162. Its totient is φ = 6195731160.

The previous prime is 6195731137. The next prime is 6195731167. The reversal of 6195731161 is 1611375916.

6195731161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3739934025 + 2455797136 = 61155^2 + 49556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6195731161 is a prime.

It is not a weakly prime, because it can be changed into another prime (6195731167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3097865580 + 3097865581.

It is an arithmetic number, because the mean of its divisors is an integer number (3097865581).

Almost surely, 2^6195731161 is an apocalyptic number.

It is an amenable number.

6195731161 is a deficient number, since it is larger than the sum of its proper divisors (1).

6195731161 is an equidigital number, since it uses as much as digits as its factorization.

6195731161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 40.

The square root of 6195731161 is about 78712.9669177830. The cubic root of 6195731161 is about 1836.6688272009.

The spelling of 6195731161 in words is "six billion, one hundred ninety-five million, seven hundred thirty-one thousand, one hundred sixty-one".