1166446013 has 2 divisors, whose sum is σ = 1166446014. Its totient is φ = 1166446012.

The previous prime is 1166445991. The next prime is 1166446019. The reversal of 1166446013 is 3106446611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1155864004 + 10582009 = 33998^2 + 3253^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166446013 - 2⁶ = 1166445949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166446019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583223006 + 583223007.

It is an arithmetic number, because the mean of its divisors is an integer number (583223007).

Almost surely, 2^1166446013 is an apocalyptic number.

It is an amenable number.

1166446013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166446013 is an equidigital number, since it uses as much as digits as its factorization.

1166446013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1166446013 is about 34153.2723615176. The cubic root of 1166446013 is about 1052.6602274294.

The spelling of 1166446013 in words is "one billion, one hundred sixty-six million, four hundred forty-six thousand, thirteen".