168964375296529 has 2 divisors, whose sum is σ = 168964375296530. Its totient is φ = 168964375296528.

The previous prime is 168964375296523. The next prime is 168964375296557. The reversal of 168964375296529 is 925692573469861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167312983242304 + 1651392054225 = 12934952^2 + 1285065^2 .

It is an emirp because it is prime and its reverse (925692573469861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 168964375296529 - 2¹³ = 168964375288337 is a prime.

It is not a weakly prime, because it can be changed into another prime (168964375296523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84482187648264 + 84482187648265.

It is an arithmetic number, because the mean of its divisors is an integer number (84482187648265).

Almost surely, 2^{168964375296529} is an apocalyptic number.

It is an amenable number.

168964375296529 is a deficient number, since it is larger than the sum of its proper divisors (1).

168964375296529 is an equidigital number, since it uses as much as digits as its factorization.

168964375296529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10581580800, while the sum is 82.

The spelling of 168964375296529 in words is "one hundred sixty-eight trillion, nine hundred sixty-four billion, three hundred seventy-five million, two hundred ninety-six thousand, five hundred twenty-nine".