616868856 has 48 divisors (see below), whose sum is σ = 1672430760. Its totient is φ = 205408320.

The previous prime is 616868849. The next prime is 616868869. The reversal of 616868856 is 658868616.

It is a happy number.

616868856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74626 + ... + 82478.

Almost surely, 2^616868856 is an apocalyptic number.

It is an amenable number.

616868856 is an abundant number, since it is smaller than the sum of its proper divisors (1055561904).

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

616868856 is a wasteful number, since it uses less digits than its factorization.

616868856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8956 (or 8949 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 616868856 is about 24836.8447271388. The cubic root of 616868856 is about 851.2640275331.

The spelling of 616868856 in words is "six hundred sixteen million, eight hundred sixty-eight thousand, eight hundred fifty-six".