616023574656 has 256 divisors, whose sum is σ = 1889464320000. Its totient is φ = 174188593152.

The previous prime is 616023574651. The next prime is 616023574669. The reversal of 616023574656 is 656475320616.

616023574656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 616023574599 and 616023574608.

It is not an unprimeable number, because it can be changed into a prime (616023574651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153275815 + ... + 153279833.

It is an arithmetic number, because the mean of its divisors is an integer number (7380720000).

Almost surely, 2^616023574656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616023574656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944732160000).

616023574656 is an abundant number, since it is smaller than the sum of its proper divisors (1273440745344).

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

616023574656 is a wasteful number, since it uses less digits than its factorization.

616023574656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4619 (or 4607 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 51.

The spelling of 616023574656 in words is "six hundred sixteen billion, twenty-three million, five hundred seventy-four thousand, six hundred fifty-six".