616313313616 has 160 divisors (see below), whose sum is σ = 1619154867456. Its totient is φ = 219456000000.

The previous prime is 616313313569. The next prime is 616313313643.

616313313616 is nontrivially palindromic in base 10.

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, 1427116 + ... + 1808116.

Almost surely, 2^616313313616 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 616313313616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (809577433728).

616313313616 is an abundant number, since it is smaller than the sum of its proper divisors (1002841553840).

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

616313313616 is a wasteful number, since it uses less digits than its factorization.

616313313616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381141 (or 381135 counting only the distinct ones).

The product of its digits is 104976, while the sum is 40.

It can be divided in two parts, 616313 and 313616, that added together give a palindrome (929929).

The spelling of 616313313616 in words is "six hundred sixteen billion, three hundred thirteen million, three hundred thirteen thousand, six hundred sixteen".