616106500 has 24 divisors (see below), whose sum is σ = 1345577688. Its totient is φ = 246442400.

The previous prime is 616106471. The next prime is 616106501. The reversal of 616106500 is 5601616.

It can be written as a sum of positive squares in 4 ways, for example, as 112911876 + 503194624 = 10626^2 + 22432^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (616106501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615607 + ... + 616606.

It is an arithmetic number, because the mean of its divisors is an integer number (56065737).

Almost surely, 2^616106500 is an apocalyptic number.

It is an amenable number.

616106500 is an abundant number, since it is smaller than the sum of its proper divisors (729471188).

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

616106500 is a wasteful number, since it uses less digits than its factorization.

616106500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232232 (or 1232220 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 616106500 is about 24821.4927028976. The cubic root of 616106500 is about 850.9132053892.

The spelling of 616106500 in words is "six hundred sixteen million, one hundred six thousand, five hundred".