65730308616 has 192 divisors, whose sum is σ = 210562759680. Its totient is φ = 18126789120.

The previous prime is 65730308603. The next prime is 65730308627. The reversal of 65730308616 is 61680303756.

65730308616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6197430 + ... + 6208026.

It is an arithmetic number, because the mean of its divisors is an integer number (1096681040).

Almost surely, 2^65730308616 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 65730308616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105281379840).

65730308616 is an abundant number, since it is smaller than the sum of its proper divisors (144832451064).

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

65730308616 is a wasteful number, since it uses less digits than its factorization.

65730308616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11044 (or 11037 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 65730308616 in words is "sixty-five billion, seven hundred thirty million, three hundred eight thousand, six hundred sixteen".