616222222616 has 128 divisors (see below), whose sum is σ = 1557514344960. Its totient is φ = 220734720000.

The previous prime is 616222222607. The next prime is 616222222631.

616222222616 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 616222222616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1856720 + ... + 2163296.

It is an arithmetic number, because the mean of its divisors is an integer number (12168080820).

Almost surely, 2^616222222616 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 616222222616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (778757172480).

616222222616 is an abundant number, since it is smaller than the sum of its proper divisors (941292122344).

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

616222222616 is a wasteful number, since it uses less digits than its factorization.

616222222616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306865 (or 306861 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

It can be divided in two parts, 616222 and 222616, that added together give a palindrome (838838).

The spelling of 616222222616 in words is "six hundred sixteen billion, two hundred twenty-two million, two hundred twenty-two thousand, six hundred sixteen".