616116500 has 48 divisors (see below), whose sum is σ = 1351446096. Its totient is φ = 245376000.

The previous prime is 616116493. The next prime is 616116503. The reversal of 616116500 is 5611616.

It can be written as a sum of positive squares in 8 ways, for example, as 327320464 + 288796036 = 18092^2 + 16994^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 616116500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616116503) 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, 117944 + ... + 123056.

It is an arithmetic number, because the mean of its divisors is an integer number (28155127).

Almost surely, 2^616116500 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 616116500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (675723048).

616116500 is an abundant number, since it is smaller than the sum of its proper divisors (735329596).

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

616116500 is a wasteful number, since it uses less digits than its factorization.

616116500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5373 (or 5361 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 616116500 is about 24821.6941404087. The cubic root of 616116500 is about 850.9178090770.

It can be divided in two parts, 616116 and 500, that added together give a palindrome (616616).

The spelling of 616116500 in words is "six hundred sixteen million, one hundred sixteen thousand, five hundred".