1166050313 has 4 divisors (see below), whose sum is σ = 1166871168. Its totient is φ = 1165229460.

The previous prime is 1166050271. The next prime is 1166050339. The reversal of 1166050313 is 3130506611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3130506611 = 199 ⋅15731189.

It is a cyclic number.

It is not a de Polignac number, because 1166050313 - 2⁸ = 1166050057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166050013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408293 + ... + 411138.

It is an arithmetic number, because the mean of its divisors is an integer number (291717792).

Almost surely, 2^1166050313 is an apocalyptic number.

It is an amenable number.

1166050313 is a deficient number, since it is larger than the sum of its proper divisors (820855).

1166050313 is an equidigital number, since it uses as much as digits as its factorization.

1166050313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820854.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1166050313 is about 34147.4788674069. The cubic root of 1166050313 is about 1052.5411806960.

Adding to 1166050313 its reverse (3130506611), we get a palindrome (4296556924).

The spelling of 1166050313 in words is "one billion, one hundred sixty-six million, fifty thousand, three hundred thirteen".