613316660 has 48 divisors (see below), whose sum is σ = 1426057920. Its totient is φ = 219690240.

The previous prime is 613316657. The next prime is 613316681. The reversal of 613316660 is 66613316.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6065 + ... + 35544.

It is an arithmetic number, because the mean of its divisors is an integer number (29709540).

Almost surely, 2^613316660 is an apocalyptic number.

It is an amenable number.

613316660 is an abundant number, since it is smaller than the sum of its proper divisors (812741260).

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

613316660 is a wasteful number, since it uses less digits than its factorization.

613316660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41696 (or 41694 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 613316660 is about 24765.2308691036. The cubic root of 613316660 is about 849.6268996919.

Adding to 613316660 its reverse (66613316), we get a palindrome (679929976).

The spelling of 613316660 in words is "six hundred thirteen million, three hundred sixteen thousand, six hundred sixty".