1166413349 has 4 divisors (see below), whose sum is σ = 1166482464. Its totient is φ = 1166344236.

The previous prime is 1166413327. The next prime is 1166413361. The reversal of 1166413349 is 9433146611.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1166413349 - 2²⁴ = 1149636133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166413309) 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, 9374 + ... + 49200.

It is an arithmetic number, because the mean of its divisors is an integer number (291620616).

Almost surely, 2^1166413349 is an apocalyptic number.

It is an amenable number.

1166413349 is a deficient number, since it is larger than the sum of its proper divisors (69115).

1166413349 is an equidigital number, since it uses as much as digits as its factorization.

1166413349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69114.

The product of its digits is 46656, while the sum is 38.

The square root of 1166413349 is about 34152.7941609468. The cubic root of 1166413349 is about 1052.6504014525.

The spelling of 1166413349 in words is "one billion, one hundred sixty-six million, four hundred thirteen thousand, three hundred forty-nine".