616563315424 has 96 divisors (see below), whose sum is σ = 1393278860736. Its totient is φ = 263098368000.

The previous prime is 616563315421. The next prime is 616563315443. The reversal of 616563315424 is 424513365616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616563315421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68494924 + ... + 68503924.

It is an arithmetic number, because the mean of its divisors is an integer number (14513321466).

Almost surely, 2^616563315424 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 616563315424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696639430368).

616563315424 is an abundant number, since it is smaller than the sum of its proper divisors (776715545312).

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

616563315424 is a wasteful number, since it uses less digits than its factorization.

616563315424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10308 (or 10300 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 46.

The spelling of 616563315424 in words is "six hundred sixteen billion, five hundred sixty-three million, three hundred fifteen thousand, four hundred twenty-four".