180656416 has 48 divisors (see below), whose sum is σ = 385396704. Its totient is φ = 83026944.

The previous prime is 180656387. The next prime is 180656417. The reversal of 180656416 is 614656081.

It is not an unprimeable number, because it can be changed into a prime (180656417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19531 + ... + 27253.

It is an arithmetic number, because the mean of its divisors is an integer number (8029098).

Almost surely, 2^180656416 is an apocalyptic number.

180656416 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 180656416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192698352).

180656416 is an abundant number, since it is smaller than the sum of its proper divisors (204740288).

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

180656416 is a wasteful number, since it uses less digits than its factorization.

180656416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7793 (or 7785 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 180656416 is about 13440.8487827220. The cubic root of 180656416 is about 565.3071303764.

The spelling of 180656416 in words is "one hundred eighty million, six hundred fifty-six thousand, four hundred sixteen".