27456795161 has 2 divisors, whose sum is σ = 27456795162. Its totient is φ = 27456795160.

The previous prime is 27456794971. The next prime is 27456795193. The reversal of 27456795161 is 16159765472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20293711936 + 7163083225 = 142456^2 + 84635^2 .

It is a cyclic number.

It is not a de Polignac number, because 27456795161 - 2³⁰ = 26383053337 is a prime.

It is a super-2 number, since 2×27456795161² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27456995161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13728397580 + 13728397581.

It is an arithmetic number, because the mean of its divisors is an integer number (13728397581).

Almost surely, 2^27456795161 is an apocalyptic number.

It is an amenable number.

27456795161 is a deficient number, since it is larger than the sum of its proper divisors (1).

27456795161 is an equidigital number, since it uses as much as digits as its factorization.

27456795161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3175200, while the sum is 53.

The spelling of 27456795161 in words is "twenty-seven billion, four hundred fifty-six million, seven hundred ninety-five thousand, one hundred sixty-one".