1166264317 has 2 divisors, whose sum is σ = 1166264318. Its totient is φ = 1166264316.

The previous prime is 1166264303. The next prime is 1166264321. The reversal of 1166264317 is 7134626611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 956912356 + 209351961 = 30934^2 + 14469^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166264317 - 2¹¹ = 1166262269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166264117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583132158 + 583132159.

It is an arithmetic number, because the mean of its divisors is an integer number (583132159).

Almost surely, 2^1166264317 is an apocalyptic number.

It is an amenable number.

1166264317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166264317 is an equidigital number, since it uses as much as digits as its factorization.

1166264317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 1166264317 is about 34150.6122492701. The cubic root of 1166264317 is about 1052.6055673530.

The spelling of 1166264317 in words is "one billion, one hundred sixty-six million, two hundred sixty-four thousand, three hundred seventeen".