13173105161 has 2 divisors, whose sum is σ = 13173105162. Its totient is φ = 13173105160.

The previous prime is 13173105149. The next prime is 13173105173. The reversal of 13173105161 is 16150137131.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (13173105149) and next prime (13173105173).

It can be written as a sum of positive squares in only one way, i.e., 12228157561 + 944947600 = 110581^2 + 30740^2 .

It is a cyclic number.

It is not a de Polignac number, because 13173105161 - 2⁶ = 13173105097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13173105131) 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, 6586552580 + 6586552581.

It is an arithmetic number, because the mean of its divisors is an integer number (6586552581).

Almost surely, 2^13173105161 is an apocalyptic number.

It is an amenable number.

13173105161 is a deficient number, since it is larger than the sum of its proper divisors (1).

13173105161 is an equidigital number, since it uses as much as digits as its factorization.

13173105161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 29.

The spelling of 13173105161 in words is "thirteen billion, one hundred seventy-three million, one hundred five thousand, one hundred sixty-one".