1804912160 has 24 divisors (see below), whose sum is σ = 4264105356. Its totient is φ = 721964800.

The previous prime is 1804912159. The next prime is 1804912177. The reversal of 1804912160 is 612194081.

It can be written as a sum of positive squares in 2 ways, for example, as 1804890256 + 21904 = 42484^2 + 148^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5640191 + ... + 5640510.

Almost surely, 2^1804912160 is an apocalyptic number.

1804912160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1804912160 is an abundant number, since it is smaller than the sum of its proper divisors (2459193196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1804912160 is a wasteful number, since it uses less digits than its factorization.

1804912160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11280716 (or 11280708 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 1804912160 is about 42484.2577903863. The cubic root of 1804912160 is about 1217.5459403303.

The spelling of 1804912160 in words is "one billion, eight hundred four million, nine hundred twelve thousand, one hundred sixty".