616908828680 has 64 divisors (see below), whose sum is σ = 1462112208000. Its totient is φ = 233614001664.

The previous prime is 616908828671. The next prime is 616908828703. The reversal of 616908828680 is 86828809616.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 819236 + ... + 1380204.

It is an arithmetic number, because the mean of its divisors is an integer number (22845503250).

Almost surely, 2^616908828680 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 616908828680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731056104000).

616908828680 is an abundant number, since it is smaller than the sum of its proper divisors (845203379320).

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

616908828680 is a wasteful number, since it uses less digits than its factorization.

616908828680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562446 (or 562442 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 62.

The spelling of 616908828680 in words is "six hundred sixteen billion, nine hundred eight million, eight hundred twenty-eight thousand, six hundred eighty".