1044800161 has 16 divisors (see below), whose sum is σ = 1143687168. Its totient is φ = 951159360.

The previous prime is 1044800123. The next prime is 1044800209. The reversal of 1044800161 is 1610084401.

It is not a de Polignac number, because 1044800161 - 2⁹ = 1044799649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1044807161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505416 + ... + 507478.

It is an arithmetic number, because the mean of its divisors is an integer number (71480448).

Almost surely, 2^1044800161 is an apocalyptic number.

It is an amenable number.

1044800161 is a deficient number, since it is larger than the sum of its proper divisors (98887007).

1044800161 is an frugal number, since it uses more digits than its factorization.

1044800161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173 (or 2111 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1044800161 is about 32323.3686517974. The cubic root of 1044800161 is about 1014.7157708361.

Adding to 1044800161 its reverse (1610084401), we get a palindrome (2654884562).

The spelling of 1044800161 in words is "one billion, forty-four million, eight hundred thousand, one hundred sixty-one".