168192413 has 2 divisors, whose sum is σ = 168192414. Its totient is φ = 168192412.

The previous prime is 168192403. The next prime is 168192439. The reversal of 168192413 is 314291861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160452889 + 7739524 = 12667^2 + 2782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168192413 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168192403) 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, 84096206 + 84096207.

It is an arithmetic number, because the mean of its divisors is an integer number (84096207).

Almost surely, 2^168192413 is an apocalyptic number.

It is an amenable number.

168192413 is a deficient number, since it is larger than the sum of its proper divisors (1).

168192413 is an equidigital number, since it uses as much as digits as its factorization.

168192413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 35.

The square root of 168192413 is about 12968.9017653771. The cubic root of 168192413 is about 551.9954108087.

The spelling of 168192413 in words is "one hundred sixty-eight million, one hundred ninety-two thousand, four hundred thirteen".