616502619648 has 240 divisors, whose sum is σ = 1808073311616. Its totient is φ = 202186199040.

The previous prime is 616502619613. The next prime is 616502619653. The reversal of 616502619648 is 846916205616.

616502619648 is a `hidden beast` number, since 6 + 1 + 6 + 502 + 6 + 1 + 96 + 48 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 616502619594 and 616502619603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184193911 + ... + 184197257.

Almost surely, 2^616502619648 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 616502619648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (904036655808).

616502619648 is an abundant number, since it is smaller than the sum of its proper divisors (1191570691968).

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

616502619648 is a wasteful number, since it uses less digits than its factorization.

616502619648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4005 (or 3986 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 616502619648 in words is "six hundred sixteen billion, five hundred two million, six hundred nineteen thousand, six hundred forty-eight".