1044168985 has 8 divisors (see below), whose sum is σ = 1326708936. Its totient is φ = 786197760.

The previous prime is 1044168943. The next prime is 1044169031. The reversal of 1044168985 is 5898614401.

1044168985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 162613504 + 881555481 = 12752^2 + 29691^2 .

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

It is not a de Polignac number, because 1044168985 - 2²⁷ = 909951257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6142086 + ... + 6142255.

It is an arithmetic number, because the mean of its divisors is an integer number (165838617).

Almost surely, 2^1044168985 is an apocalyptic number.

It is an amenable number.

1044168985 is a deficient number, since it is larger than the sum of its proper divisors (282539951).

1044168985 is a wasteful number, since it uses less digits than its factorization.

1044168985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12284363.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 1044168985 is about 32313.6037142254. The cubic root of 1044168985 is about 1014.5113957862.

The spelling of 1044168985 in words is "one billion, forty-four million, one hundred sixty-eight thousand, nine hundred eighty-five".