168925626013 has 2 divisors, whose sum is σ = 168925626014. Its totient is φ = 168925626012.

The previous prime is 168925626007. The next prime is 168925626049. The reversal of 168925626013 is 310626529861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108713300089 + 60212325924 = 329717^2 + 245382^2 .

It is a cyclic number.

It is not a de Polignac number, because 168925626013 - 2¹³ = 168925617821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168925626613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84462813006 + 84462813007.

It is an arithmetic number, because the mean of its divisors is an integer number (84462813007).

Almost surely, 2^168925626013 is an apocalyptic number.

It is an amenable number.

168925626013 is a deficient number, since it is larger than the sum of its proper divisors (1).

168925626013 is an equidigital number, since it uses as much as digits as its factorization.

168925626013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 168925626013 in words is "one hundred sixty-eight billion, nine hundred twenty-five million, six hundred twenty-six thousand, thirteen".