27676416161 has 2 divisors, whose sum is σ = 27676416162. Its totient is φ = 27676416160.

The previous prime is 27676416137. The next prime is 27676416239. The reversal of 27676416161 is 16161467672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27291040000 + 385376161 = 165200^2 + 19631^2 .

It is a cyclic number.

It is not a de Polignac number, because 27676416161 - 2³⁰ = 26602674337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (27676416121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13838208080 + 13838208081.

It is an arithmetic number, because the mean of its divisors is an integer number (13838208081).

Almost surely, 2^27676416161 is an apocalyptic number.

It is an amenable number.

27676416161 is a deficient number, since it is larger than the sum of its proper divisors (1).

27676416161 is an equidigital number, since it uses as much as digits as its factorization.

27676416161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 47.

The spelling of 27676416161 in words is "twenty-seven billion, six hundred seventy-six million, four hundred sixteen thousand, one hundred sixty-one".