168361241 has 2 divisors, whose sum is σ = 168361242. Its totient is φ = 168361240.

The previous prime is 168361229. The next prime is 168361247. The reversal of 168361241 is 142163861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163968025 + 4393216 = 12805^2 + 2096^2 .

It is a cyclic number.

It is not a de Polignac number, because 168361241 - 2⁶ = 168361177 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 168361198 and 168361207.

It is not a weakly prime, because it can be changed into another prime (168361247) 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, 84180620 + 84180621.

It is an arithmetic number, because the mean of its divisors is an integer number (84180621).

Almost surely, 2^168361241 is an apocalyptic number.

It is an amenable number.

168361241 is a deficient number, since it is larger than the sum of its proper divisors (1).

168361241 is an equidigital number, since it uses as much as digits as its factorization.

168361241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

The square root of 168361241 is about 12975.4090879633. The cubic root of 168361241 is about 552.1800428331.

The spelling of 168361241 in words is "one hundred sixty-eight million, three hundred sixty-one thousand, two hundred forty-one".