616876678616 has 64 divisors (see below), whose sum is σ = 1341902609280. Its totient is φ = 262741742080.

The previous prime is 616876678589. The next prime is 616876678619.

616876678616 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616876678619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568670 + ... + 1247853.

It is an arithmetic number, because the mean of its divisors is an integer number (20967228270).

Almost surely, 2^616876678616 is an apocalyptic number.

It is an amenable number.

616876678616 is an abundant number, since it is smaller than the sum of its proper divisors (725025930664).

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

616876678616 is a wasteful number, since it uses less digits than its factorization.

616876678616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816784 (or 1816780 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 68.

The spelling of 616876678616 in words is "six hundred sixteen billion, eight hundred seventy-six million, six hundred seventy-eight thousand, six hundred sixteen".