180660896 has 36 divisors (see below), whose sum is σ = 383617962. Its totient is φ = 83255424.

The previous prime is 180660889. The next prime is 180660919. The reversal of 180660896 is 698066081.

It can be written as a sum of positive squares in only one way, i.e., 173712400 + 6948496 = 13180^2 + 2636^2 .

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 5 ways as a sum of consecutive naturals, for example, 273815 + ... + 274473.

Almost surely, 2^180660896 is an apocalyptic number.

180660896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180660896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191808981).

180660896 is an abundant number, since it is smaller than the sum of its proper divisors (202957066).

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

180660896 is an frugal number, since it uses more digits than its factorization.

180660896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 180660896 is about 13441.0154378306. The cubic root of 180660896 is about 565.3118032523.

The spelling of 180660896 in words is "one hundred eighty million, six hundred sixty thousand, eight hundred ninety-six".