1166313267 has 24 divisors (see below), whose sum is σ = 1928459520. Its totient is φ = 665385840.

The previous prime is 1166313257. The next prime is 1166313289. The reversal of 1166313267 is 7623136611.

1166313267 is a `hidden beast` number, since 1 + 16 + 631 + 3 + 2 + 6 + 7 = 666.

It is not a de Polignac number, because 1166313267 - 2⁸ = 1166313011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1166313257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25084 + ... + 54422.

It is an arithmetic number, because the mean of its divisors is an integer number (80352480).

Almost surely, 2^1166313267 is an apocalyptic number.

1166313267 is a deficient number, since it is larger than the sum of its proper divisors (762146253).

1166313267 is a wasteful number, since it uses less digits than its factorization.

1166313267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29983 (or 29980 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 1166313267 is about 34151.3289199703. The cubic root of 1166313267 is about 1052.6202936664.

Adding to 1166313267 its reverse (7623136611), we get a palindrome (8789449878).

The spelling of 1166313267 in words is "one billion, one hundred sixty-six million, three hundred thirteen thousand, two hundred sixty-seven".