616202605312 has 72 divisors (see below), whose sum is σ = 1406100761856. Its totient is φ = 264013833216.

The previous prime is 616202605247. The next prime is 616202605439. The reversal of 616202605312 is 213506202616.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6704823 + ... + 6796105.

It is an arithmetic number, because the mean of its divisors is an integer number (19529177248).

Almost surely, 2^616202605312 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 616202605312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703050380928).

616202605312 is an abundant number, since it is smaller than the sum of its proper divisors (789898156544).

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

616202605312 is an equidigital number, since it uses as much as digits as its factorization.

616202605312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95073 (or 95059 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 616202605312 its reverse (213506202616), we get a palindrome (829708807928).

The spelling of 616202605312 in words is "six hundred sixteen billion, two hundred two million, six hundred five thousand, three hundred twelve".