616506500 has 48 divisors (see below), whose sum is σ = 1359636096. Its totient is φ = 244188000.

The previous prime is 616506491. The next prime is 616506503. The reversal of 616506500 is 5605616.

It is not an unprimeable number, because it can be changed into a prime (616506503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45515 + ... + 57485.

It is an arithmetic number, because the mean of its divisors is an integer number (28325752).

Almost surely, 2^616506500 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 616506500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (679818048).

616506500 is an abundant number, since it is smaller than the sum of its proper divisors (743129596).

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

616506500 is a wasteful number, since it uses less digits than its factorization.

616506500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12093 (or 12081 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 616506500 is about 24829.5489286455. The cubic root of 616506500 is about 851.0973140616.

The spelling of 616506500 in words is "six hundred sixteen million, five hundred six thousand, five hundred".