616606902 has 24 divisors (see below), whose sum is σ = 1339362336. Its totient is φ = 205015536.

The previous prime is 616606901. The next prime is 616606927. The reversal of 616606902 is 209606616.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616606901) 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 11 ways as a sum of consecutive naturals, for example, 35998 + ... + 50289.

It is an arithmetic number, because the mean of its divisors is an integer number (55806764).

Almost surely, 2^616606902 is an apocalyptic number.

616606902 is an abundant number, since it is smaller than the sum of its proper divisors (722755434).

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

616606902 is a wasteful number, since it uses less digits than its factorization.

616606902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86692 (or 86689 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 616606902 is about 24831.5706712242. The cubic root of 616606902 is about 851.1435137551.

The spelling of 616606902 in words is "six hundred sixteen million, six hundred six thousand, nine hundred two".