329660897568 has 192 divisors, whose sum is σ = 935189660160. Its totient is φ = 101304225792.

The previous prime is 329660897563. The next prime is 329660897603. The reversal of 329660897568 is 865798066923.

It is not an unprimeable number, because it can be changed into a prime (329660897563) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 19564155 + ... + 19580997.

It is an arithmetic number, because the mean of its divisors is an integer number (4870779480).

Almost surely, 2^329660897568 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 329660897568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467594830080).

329660897568 is an abundant number, since it is smaller than the sum of its proper divisors (605528762592).

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

329660897568 is a wasteful number, since it uses less digits than its factorization.

329660897568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17119 (or 17111 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 69.

The spelling of 329660897568 in words is "three hundred twenty-nine billion, six hundred sixty million, eight hundred ninety-seven thousand, five hundred sixty-eight".