1166357317 has 2 divisors, whose sum is σ = 1166357318. Its totient is φ = 1166357316.

The previous prime is 1166357287. The next prime is 1166357333. The reversal of 1166357317 is 7137536611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1036260481 + 130096836 = 32191^2 + 11406^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166357317 - 2²³ = 1157968709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1166357317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166355317) 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, 583178658 + 583178659.

It is an arithmetic number, because the mean of its divisors is an integer number (583178659).

Almost surely, 2^1166357317 is an apocalyptic number.

It is an amenable number.

1166357317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166357317 is an equidigital number, since it uses as much as digits as its factorization.

1166357317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 40.

The square root of 1166357317 is about 34151.9738375398. The cubic root of 1166357317 is about 1052.6335454921.

The spelling of 1166357317 in words is "one billion, one hundred sixty-six million, three hundred fifty-seven thousand, three hundred seventeen".