616500492 has 12 divisors (see below), whose sum is σ = 1438501176. Its totient is φ = 205500160.

The previous prime is 616500491. The next prime is 616500497. The reversal of 616500492 is 294005616.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (616500491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25687509 + ... + 25687532.

It is an arithmetic number, because the mean of its divisors is an integer number (119875098).

Almost surely, 2^616500492 is an apocalyptic number.

It is an amenable number.

616500492 is an abundant number, since it is smaller than the sum of its proper divisors (822000684).

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

616500492 is a wasteful number, since it uses less digits than its factorization.

616500492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51375048 (or 51375046 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 616500492 is about 24829.4279434706. The cubic root of 616500492 is about 851.0945493385.

The spelling of 616500492 in words is "six hundred sixteen million, five hundred thousand, four hundred ninety-two".