13161966341 has 2 divisors, whose sum is σ = 13161966342. Its totient is φ = 13161966340.

The previous prime is 13161966331. The next prime is 13161966373. The reversal of 13161966341 is 14366916131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12689121316 + 472845025 = 112646^2 + 21745^2 .

It is a cyclic number.

It is not a de Polignac number, because 13161966341 - 2¹⁸ = 13161704197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13161966331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6580983170 + 6580983171.

It is an arithmetic number, because the mean of its divisors is an integer number (6580983171).

Almost surely, 2^13161966341 is an apocalyptic number.

It is an amenable number.

13161966341 is a deficient number, since it is larger than the sum of its proper divisors (1).

13161966341 is an equidigital number, since it uses as much as digits as its factorization.

13161966341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 41.

The spelling of 13161966341 in words is "thirteen billion, one hundred sixty-one million, nine hundred sixty-six thousand, three hundred forty-one".