161311413359 has 2 divisors, whose sum is σ = 161311413360. Its totient is φ = 161311413358.

The previous prime is 161311413337. The next prime is 161311413377. The reversal of 161311413359 is 953314113161.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (953314113161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161311413359 - 2⁸ = 161311413103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161311412359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80655706679 + 80655706680.

It is an arithmetic number, because the mean of its divisors is an integer number (80655706680).

Almost surely, 2^161311413359 is an apocalyptic number.

161311413359 is a deficient number, since it is larger than the sum of its proper divisors (1).

161311413359 is an equidigital number, since it uses as much as digits as its factorization.

161311413359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 38.

The spelling of 161311413359 in words is "one hundred sixty-one billion, three hundred eleven million, four hundred thirteen thousand, three hundred fifty-nine".