65340566304 has 192 divisors, whose sum is σ = 193509388800. Its totient is φ = 19164966912.

The previous prime is 65340566281. The next prime is 65340566321. The reversal of 65340566304 is 40366504356.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2847742 + ... + 2870594.

It is an arithmetic number, because the mean of its divisors is an integer number (1007861400).

Almost surely, 2^65340566304 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 65340566304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96754694400).

65340566304 is an abundant number, since it is smaller than the sum of its proper divisors (128168822496).

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

65340566304 is a wasteful number, since it uses less digits than its factorization.

65340566304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22987 (or 22979 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 65340566304 in words is "sixty-five billion, three hundred forty million, five hundred sixty-six thousand, three hundred four".