165376098689 has 2 divisors, whose sum is σ = 165376098690. Its totient is φ = 165376098688.

The previous prime is 165376098683. The next prime is 165376098739. The reversal of 165376098689 is 986890673561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155153271025 + 10222827664 = 393895^2 + 101108^2 .

It is a cyclic number.

It is not a de Polignac number, because 165376098689 - 2³⁶ = 96656621953 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 (165376098683) 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, 82688049344 + 82688049345.

It is an arithmetic number, because the mean of its divisors is an integer number (82688049345).

Almost surely, 2^165376098689 is an apocalyptic number.

It is an amenable number.

165376098689 is a deficient number, since it is larger than the sum of its proper divisors (1).

165376098689 is an equidigital number, since it uses as much as digits as its factorization.

165376098689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117573120, while the sum is 68.

The spelling of 165376098689 in words is "one hundred sixty-five billion, three hundred seventy-six million, ninety-eight thousand, six hundred eighty-nine".