616655556616 has 32 divisors (see below), whose sum is σ = 1278619567200. Its totient is φ = 276458279040.

The previous prime is 616655556593. The next prime is 616655556617.

616655556616 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (616655556617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47989806 + ... + 48002653.

It is an arithmetic number, because the mean of its divisors is an integer number (39956861475).

Almost surely, 2^616655556616 is an apocalyptic number.

It is an amenable number.

616655556616 is an abundant number, since it is smaller than the sum of its proper divisors (661964010584).

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

616655556616 is a wasteful number, since it uses less digits than its factorization.

616655556616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95992549 (or 95992545 counting only the distinct ones).

The product of its digits is 29160000, while the sum is 58.

The spelling of 616655556616 in words is "six hundred sixteen billion, six hundred fifty-five million, five hundred fifty-six thousand, six hundred sixteen".