616915488960 has 168 divisors, whose sum is σ = 2122265560896. Its totient is φ = 164484956160.

The previous prime is 616915488907. The next prime is 616915488961. The reversal of 616915488960 is 69884519616.

616915488960 is a `hidden beast` number, since 6 + 1 + 6 + 9 + 1 + 548 + 89 + 6 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (616915488961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24545200 + ... + 24570320.

Almost surely, 2^616915488960 is an apocalyptic number.

616915488960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616915488960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1061132780448).

616915488960 is an abundant number, since it is smaller than the sum of its proper divisors (1505350071936).

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

616915488960 is a wasteful number, since it uses less digits than its factorization.

616915488960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33671 (or 33658 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 63.

The spelling of 616915488960 in words is "six hundred sixteen billion, nine hundred fifteen million, four hundred eighty-eight thousand, nine hundred sixty".