168093617 has 2 divisors, whose sum is σ = 168093618. Its totient is φ = 168093616.

The previous prime is 168093577. The next prime is 168093641. The reversal of 168093617 is 716390861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148742416 + 19351201 = 12196^2 + 4399^2 .

It is a cyclic number.

It is not a de Polignac number, because 168093617 - 2¹⁴ = 168077233 is a prime.

It is a super-2 number, since 2×168093617² = 56510928152285378, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (168693617) 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, 84046808 + 84046809.

It is an arithmetic number, because the mean of its divisors is an integer number (84046809).

Almost surely, 2^168093617 is an apocalyptic number.

It is an amenable number.

168093617 is a deficient number, since it is larger than the sum of its proper divisors (1).

168093617 is an equidigital number, since it uses as much as digits as its factorization.

168093617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 168093617 is about 12965.0922480328. The cubic root of 168093617 is about 551.8873091826.

The spelling of 168093617 in words is "one hundred sixty-eight million, ninety-three thousand, six hundred seventeen".