1166943 has 8 divisors (see below), whose sum is σ = 1598128. Its totient is φ = 756864.

The previous prime is 1166929. The next prime is 1166947. The reversal of 1166943 is 3496611.

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

It is not a de Polignac number, because 1166943 - 2⁴ = 1166927 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 1166943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166947) 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 7 ways as a sum of consecutive naturals, for example, 5146 + ... + 5367.

It is an arithmetic number, because the mean of its divisors is an integer number (199766).

2^1166943 is an apocalyptic number.

1166943 is a deficient number, since it is larger than the sum of its proper divisors (431185).

1166943 is a wasteful number, since it uses less digits than its factorization.

1166943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10553.

The product of its digits is 3888, while the sum is 30.

The square root of 1166943 is about 1080.2513596381. The cubic root of 1166943 is about 105.2809708320.

The spelling of 1166943 in words is "one million, one hundred sixty-six thousand, nine hundred forty-three".