616600320 has 432 divisors, whose sum is σ = 2390744160. Its totient is φ = 134873088.

The previous prime is 616600241. The next prime is 616600321. The reversal of 616600320 is 23006616.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (616600321) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5456584 + ... + 5456696.

It is an arithmetic number, because the mean of its divisors is an integer number (5534130).

Almost surely, 2^616600320 is an apocalyptic number.

616600320 is a gapful number since it is divisible by the number (60) 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 616600320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1195372080).

616600320 is an abundant number, since it is smaller than the sum of its proper divisors (1774143840).

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

616600320 is a wasteful number, since it uses less digits than its factorization.

616600320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 616600320 is about 24831.4381379734. The cubic root of 616600320 is about 851.1404852203.

Adding to 616600320 its reverse (23006616), we get a palindrome (639606936).

The spelling of 616600320 in words is "six hundred sixteen million, six hundred thousand, three hundred twenty".