1166944199 has 8 divisors (see below), whose sum is σ = 1182251520. Its totient is φ = 1151732736.

The previous prime is 1166944189. The next prime is 1166944211. The reversal of 1166944199 is 9914496611.

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 1166944199 - 2⁴ = 1166944183 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 (1166944189) 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, 707 + ... + 48315.

It is an arithmetic number, because the mean of its divisors is an integer number (147781440).

Almost surely, 2^1166944199 is an apocalyptic number.

1166944199 is a deficient number, since it is larger than the sum of its proper divisors (15307321).

1166944199 is a wasteful number, since it uses less digits than its factorization.

1166944199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47929.

The product of its digits is 419904, while the sum is 50.

The square root of 1166944199 is about 34160.5649689814. The cubic root of 1166944199 is about 1052.8100688966.

The spelling of 1166944199 in words is "one billion, one hundred sixty-six million, nine hundred forty-four thousand, one hundred ninety-nine".