616612457888 has 72 divisors (see below), whose sum is σ = 1457706063744. Its totient is φ = 255737865600.

The previous prime is 616612457887. The next prime is 616612457891. The reversal of 616612457888 is 888754216616.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a self number, because there is not a number n which added to its sum of digits gives 616612457888.

It is not an unprimeable number, because it can be changed into a prime (616612457887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6294098 + ... + 6391313.

It is an arithmetic number, because the mean of its divisors is an integer number (20245917552).

Almost surely, 2^616612457888 is an apocalyptic number.

It is an amenable number.

616612457888 is an abundant number, since it is smaller than the sum of its proper divisors (841093605856).

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

616612457888 is a wasteful number, since it uses less digits than its factorization.

616612457888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12685466 (or 12685451 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 62.

The spelling of 616612457888 in words is "six hundred sixteen billion, six hundred twelve million, four hundred fifty-seven thousand, eight hundred eighty-eight".