616644205604016 has 80 divisors (see below), whose sum is σ = 1593222987547776. Its totient is φ = 205518979911168.

The previous prime is 616644205603967. The next prime is 616644205604023. The reversal of 616644205604016 is 610406502446616.

616644205604016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 616644205604016.

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, 13815858436 + ... + 13815903068.

Almost surely, 2^{616644205604016} is an apocalyptic number.

It is an amenable number.

616644205604016 is an abundant number, since it is smaller than the sum of its proper divisors (976578781943760).

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

616644205604016 is a wasteful number, since it uses less digits than its factorization.

616644205604016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78930 (or 78924 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 51.

The spelling of 616644205604016 in words is "six hundred sixteen trillion, six hundred forty-four billion, two hundred five million, six hundred four thousand, sixteen".