616013845023664 has 80 divisors (see below), whose sum is σ = 1197686377888000. Its totient is φ = 306935103036672.

The previous prime is 616013845023611. The next prime is 616013845023683. The reversal of 616013845023664 is 466320548310616.

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, 56686646359 + ... + 56686657225.

It is an arithmetic number, because the mean of its divisors is an integer number (14971079723600).

Almost surely, 2^{616013845023664} is an apocalyptic number.

It is an amenable number.

616013845023664 is a deficient number, since it is larger than the sum of its proper divisors (581672532864336).

616013845023664 is a wasteful number, since it uses less digits than its factorization.

616013845023664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19050 (or 19044 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 55.

The spelling of 616013845023664 in words is "six hundred sixteen trillion, thirteen billion, eight hundred forty-five million, twenty-three thousand, six hundred sixty-four".