168402341 has 2 divisors, whose sum is σ = 168402342. Its totient is φ = 168402340.

The previous prime is 168402317. The next prime is 168402347. The reversal of 168402341 is 143204861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130530625 + 37871716 = 11425^2 + 6154^2 .

It is a cyclic number.

It is not a de Polignac number, because 168402341 - 2¹⁴ = 168385957 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 (168402347) 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, 84201170 + 84201171.

It is an arithmetic number, because the mean of its divisors is an integer number (84201171).

Almost surely, 2^168402341 is an apocalyptic number.

It is an amenable number.

168402341 is a deficient number, since it is larger than the sum of its proper divisors (1).

168402341 is an equidigital number, since it uses as much as digits as its factorization.

168402341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 168402341 is about 12976.9927564132. The cubic root of 168402341 is about 552.2249715296.

The spelling of 168402341 in words is "one hundred sixty-eight million, four hundred two thousand, three hundred forty-one".