168595275053 has 2 divisors, whose sum is σ = 168595275054. Its totient is φ = 168595275052.

The previous prime is 168595275031. The next prime is 168595275097. The reversal of 168595275053 is 350572595861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142874172169 + 25721102884 = 377987^2 + 160378^2 .

It is an emirp because it is prime and its reverse (350572595861) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168595275053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168595275053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168595275853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84297637526 + 84297637527.

It is an arithmetic number, because the mean of its divisors is an integer number (84297637527).

Almost surely, 2^168595275053 is an apocalyptic number.

It is an amenable number.

168595275053 is a deficient number, since it is larger than the sum of its proper divisors (1).

168595275053 is an equidigital number, since it uses as much as digits as its factorization.

168595275053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340000, while the sum is 56.

The spelling of 168595275053 in words is "one hundred sixty-eight billion, five hundred ninety-five million, two hundred seventy-five thousand, fifty-three".