161360163413 has 2 divisors, whose sum is σ = 161360163414. Its totient is φ = 161360163412.

The previous prime is 161360163407. The next prime is 161360163431. The reversal of 161360163413 is 314361063161.

Together with next prime (161360163431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117671639089 + 43688524324 = 343033^2 + 209018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161360163413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161360163403) 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, 80680081706 + 80680081707.

It is an arithmetic number, because the mean of its divisors is an integer number (80680081707).

Almost surely, 2^161360163413 is an apocalyptic number.

It is an amenable number.

161360163413 is a deficient number, since it is larger than the sum of its proper divisors (1).

161360163413 is an equidigital number, since it uses as much as digits as its factorization.

161360163413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 161360163413 in words is "one hundred sixty-one billion, three hundred sixty million, one hundred sixty-three thousand, four hundred thirteen".