1166442944 has 14 divisors (see below), whose sum is σ = 2314660344. Its totient is φ = 583221440.

The previous prime is 1166442943. The next prime is 1166442971. The reversal of 1166442944 is 4492446611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166442943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9112772 + ... + 9112899.

Almost surely, 2^1166442944 is an apocalyptic number.

It is an amenable number.

1166442944 is a deficient number, since it is larger than the sum of its proper divisors (1148217400).

1166442944 is an equidigital number, since it uses as much as digits as its factorization.

1166442944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18225683 (or 18225673 counting only the distinct ones).

The product of its digits is 165888, while the sum is 41.

The square root of 1166442944 is about 34153.2274316791. The cubic root of 1166442944 is about 1052.6593042213.

The spelling of 1166442944 in words is "one billion, one hundred sixty-six million, four hundred forty-two thousand, nine hundred forty-four".