161160160397 has 2 divisors, whose sum is σ = 161160160398. Its totient is φ = 161160160396.

The previous prime is 161160160331. The next prime is 161160160417. The reversal of 161160160397 is 793061061161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120123934921 + 41036225476 = 346589^2 + 202574^2 .

It is a cyclic number.

It is not a de Polignac number, because 161160160397 - 2²⁸ = 160891724941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161160166397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80580080198 + 80580080199.

It is an arithmetic number, because the mean of its divisors is an integer number (80580080199).

Almost surely, 2^161160160397 is an apocalyptic number.

It is an amenable number.

161160160397 is a deficient number, since it is larger than the sum of its proper divisors (1).

161160160397 is an equidigital number, since it uses as much as digits as its factorization.

161160160397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The spelling of 161160160397 in words is "one hundred sixty-one billion, one hundred sixty million, one hundred sixty thousand, three hundred ninety-seven".