618320332 has 12 divisors (see below), whose sum is σ = 1236640720. Its totient is φ = 264994416.

The previous prime is 618320323. The next prime is 618320333. The reversal of 618320332 is 233023816.

618320332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

618320332 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 22082869 = 618320332 / (6 + 1 + 8 + 3 + 2 + 0 + 3 + 3 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 618320332.

It is not an unprimeable number, because it can be changed into a prime (618320333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11041407 + ... + 11041462.

Almost surely, 2^618320332 is an apocalyptic number.

It is an amenable number.

618320332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

618320332 is a wasteful number, since it uses less digits than its factorization.

618320332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22082880 (or 22082878 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 618320332 is about 24866.0477760339. The cubic root of 618320332 is about 851.9311717489.

The spelling of 618320332 in words is "six hundred eighteen million, three hundred twenty thousand, three hundred thirty-two".