127576319161 has 2 divisors, whose sum is σ = 127576319162. Its totient is φ = 127576319160.

The previous prime is 127576319159. The next prime is 127576319279. The reversal of 127576319161 is 161913675721.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75160964025 + 52415355136 = 274155^2 + 228944^2 .

It is a cyclic number.

It is not a de Polignac number, because 127576319161 - 2¹ = 127576319159 is a prime.

Together with 127576319159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (127576319561) 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 as a sum of consecutive naturals, namely, 63788159580 + 63788159581.

It is an arithmetic number, because the mean of its divisors is an integer number (63788159581).

Almost surely, 2^127576319161 is an apocalyptic number.

It is an amenable number.

127576319161 is a deficient number, since it is larger than the sum of its proper divisors (1).

127576319161 is an equidigital number, since it uses as much as digits as its factorization.

127576319161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 49.

The spelling of 127576319161 in words is "one hundred twenty-seven billion, five hundred seventy-six million, three hundred nineteen thousand, one hundred sixty-one".