1068660317 has 2 divisors, whose sum is σ = 1068660318. Its totient is φ = 1068660316.

The previous prime is 1068660269. The next prime is 1068660319. The reversal of 1068660317 is 7130668601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 997864921 + 70795396 = 31589^2 + 8414^2 .

It is a cyclic number.

It is not a de Polignac number, because 1068660317 - 2¹² = 1068656221 is a prime.

It is a super-2 number, since 2×1068660317² = 2284069746261080978, which contains 22 as substring.

Together with 1068660319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1068660319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534330158 + 534330159.

It is an arithmetic number, because the mean of its divisors is an integer number (534330159).

Almost surely, 2^1068660317 is an apocalyptic number.

It is an amenable number.

1068660317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068660317 is an equidigital number, since it uses as much as digits as its factorization.

1068660317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1068660317 is about 32690.3704016947. The cubic root of 1068660317 is about 1022.3820774532.

The spelling of 1068660317 in words is "one billion, sixty-eight million, six hundred sixty thousand, three hundred seventeen".