161137177461713 has 2 divisors, whose sum is σ = 161137177461714. Its totient is φ = 161137177461712.

The previous prime is 161137177461679. The next prime is 161137177461737. The reversal of 161137177461713 is 317164771731161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99674525266369 + 61462652195344 = 9983713^2 + 7839812^2 .

It is an emirp because it is prime and its reverse (317164771731161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161137177461713 - 2¹⁰ = 161137177460689 is a prime.

It is not a weakly prime, because it can be changed into another prime (161137177461913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80568588730856 + 80568588730857.

It is an arithmetic number, because the mean of its divisors is an integer number (80568588730857).

Almost surely, 2^{161137177461713} is an apocalyptic number.

It is an amenable number.

161137177461713 is a deficient number, since it is larger than the sum of its proper divisors (1).

161137177461713 is an equidigital number, since it uses as much as digits as its factorization.

161137177461713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3111696, while the sum is 56.

The spelling of 161137177461713 in words is "one hundred sixty-one trillion, one hundred thirty-seven billion, one hundred seventy-seven million, four hundred sixty-one thousand, seven hundred thirteen".