616111655556 has 12 divisors (see below), whose sum is σ = 1437593862992. Its totient is φ = 205370551848.

The previous prime is 616111655531. The next prime is 616111655561. The reversal of 616111655556 is 655556111616.

616111655556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×616111655556² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25671318970 + ... + 25671318993.

Almost surely, 2^616111655556 is an apocalyptic number.

It is an amenable number.

616111655556 is an abundant number, since it is smaller than the sum of its proper divisors (821482207436).

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

616111655556 is a wasteful number, since it uses less digits than its factorization.

616111655556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51342637970 (or 51342637968 counting only the distinct ones).

The product of its digits is 810000, while the sum is 48.

The spelling of 616111655556 in words is "six hundred sixteen billion, one hundred eleven million, six hundred fifty-five thousand, five hundred fifty-six".