616307058640 has 160 divisors (see below), whose sum is σ = 1764013095936. Its totient is φ = 195003832320.

The previous prime is 616307058637. The next prime is 616307058641. The reversal of 616307058640 is 46850703616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616307058641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41801670 + ... + 41816410.

Almost surely, 2^616307058640 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 616307058640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (882006547968).

616307058640 is an abundant number, since it is smaller than the sum of its proper divisors (1147706037296).

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

616307058640 is a wasteful number, since it uses less digits than its factorization.

616307058640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20517 (or 20511 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 616307058640 in words is "six hundred sixteen billion, three hundred seven million, fifty-eight thousand, six hundred forty".