168912301 has 2 divisors, whose sum is σ = 168912302. Its totient is φ = 168912300.

The previous prime is 168912281. The next prime is 168912311. The reversal of 168912301 is 103219861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166384201 + 2528100 = 12899^2 + 1590^2 .

It is a cyclic number.

It is not a de Polignac number, because 168912301 - 2⁹ = 168911789 is a prime.

It is a super-2 number, since 2×168912301² = 57062730858229202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168912311) 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, 84456150 + 84456151.

It is an arithmetic number, because the mean of its divisors is an integer number (84456151).

Almost surely, 2^168912301 is an apocalyptic number.

It is an amenable number.

168912301 is a deficient number, since it is larger than the sum of its proper divisors (1).

168912301 is an equidigital number, since it uses as much as digits as its factorization.

168912301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 168912301 is about 12996.6265238330. The cubic root of 168912301 is about 552.7818301022.

The spelling of 168912301 in words is "one hundred sixty-eight million, nine hundred twelve thousand, three hundred one".