1166290943 has 8 divisors (see below), whose sum is σ = 1186151040. Its totient is φ = 1146526360.

The previous prime is 1166290921. The next prime is 1166290991. The reversal of 1166290943 is 3490926611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1166290943 - 2⁸ = 1166290687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1166290943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166290343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968 + ... + 48306.

It is an arithmetic number, because the mean of its divisors is an integer number (148268880).

Almost surely, 2^1166290943 is an apocalyptic number.

1166290943 is a deficient number, since it is larger than the sum of its proper divisors (19860097).

1166290943 is an equidigital number, since it uses as much as digits as its factorization.

1166290943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47757.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 1166290943 is about 34151.0020790020. The cubic root of 1166290943 is about 1052.6135776762.

The spelling of 1166290943 in words is "one billion, one hundred sixty-six million, two hundred ninety thousand, nine hundred forty-three".