616473320 has 64 divisors (see below), whose sum is σ = 1429529040. Its totient is φ = 239155200.

The previous prime is 616473313. The next prime is 616473323. The reversal of 616473320 is 23374616.

616473320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 48413764 + 568059556 = 6958^2 + 23834^2 .

It is not an unprimeable number, because it can be changed into a prime (616473323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176390 + ... + 179850.

Almost surely, 2^616473320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616473320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714764520).

616473320 is an abundant number, since it is smaller than the sum of its proper divisors (813055720).

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

616473320 is a wasteful number, since it uses less digits than its factorization.

616473320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606 (or 3602 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 616473320 is about 24828.8807641424. The cubic root of 616473320 is about 851.0820452766.

The spelling of 616473320 in words is "six hundred sixteen million, four hundred seventy-three thousand, three hundred twenty".