13164565091 has 2 divisors, whose sum is σ = 13164565092. Its totient is φ = 13164565090.

The previous prime is 13164565087. The next prime is 13164565097. The reversal of 13164565091 is 19056546131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13164565091 - 2² = 13164565087 is a prime.

It is not a weakly prime, because it can be changed into another prime (13164565097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6582282545 + 6582282546.

It is an arithmetic number, because the mean of its divisors is an integer number (6582282546).

Almost surely, 2^13164565091 is an apocalyptic number.

13164565091 is a deficient number, since it is larger than the sum of its proper divisors (1).

13164565091 is an equidigital number, since it uses as much as digits as its factorization.

13164565091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 13164565091 in words is "thirteen billion, one hundred sixty-four million, five hundred sixty-five thousand, ninety-one".