1166526313 has 2 divisors, whose sum is σ = 1166526314. Its totient is φ = 1166526312.

The previous prime is 1166526287. The next prime is 1166526329. The reversal of 1166526313 is 3136256611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 846402649 + 320123664 = 29093^2 + 17892^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1166526313 is a prime.

It is not a weakly prime, because it can be changed into another prime (1166526113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583263156 + 583263157.

It is an arithmetic number, because the mean of its divisors is an integer number (583263157).

Almost surely, 2^1166526313 is an apocalyptic number.

It is an amenable number.

1166526313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166526313 is an equidigital number, since it uses as much as digits as its factorization.

1166526313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 34.

The square root of 1166526313 is about 34154.4479240991. The cubic root of 1166526313 is about 1052.6843824769.

The spelling of 1166526313 in words is "one billion, one hundred sixty-six million, five hundred twenty-six thousand, three hundred thirteen".