180885960 has 80 divisors (see below), whose sum is σ = 607988700. Its totient is φ = 48235392.

The previous prime is 180885949. The next prime is 180885983. The reversal of 180885960 is 69588081.

It can be written as a sum of positive squares in 2 ways, for example, as 178863876 + 2022084 = 13374^2 + 1422^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24675 + ... + 31154.

Almost surely, 2^180885960 is an apocalyptic number.

180885960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180885960 is an abundant number, since it is smaller than the sum of its proper divisors (427102740).

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

180885960 is a wasteful number, since it uses less digits than its factorization.

180885960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55852 (or 55839 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 180885960 is about 13449.3851160564. The cubic root of 180885960 is about 565.5464574966.

The spelling of 180885960 in words is "one hundred eighty million, eight hundred eighty-five thousand, nine hundred sixty".