322320312525216 has 96 divisors (see below), whose sum is σ = 851264807702400. Its totient is φ = 106783252545536.

The previous prime is 322320312525193. The next prime is 322320312525257. The reversal of 322320312525216 is 612525213023223.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125979460 + ... + 128512508.

It is an arithmetic number, because the mean of its divisors is an integer number (8867341746900).

Almost surely, 2^{322320312525216} 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 322320312525216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425632403851200).

322320312525216 is an abundant number, since it is smaller than the sum of its proper divisors (528944495177184).

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

322320312525216 is a wasteful number, since it uses less digits than its factorization.

322320312525216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541166 (or 2541158 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 322320312525216 its reverse (612525213023223), we get a palindrome (934845525548439).

The spelling of 322320312525216 in words is "three hundred twenty-two trillion, three hundred twenty billion, three hundred twelve million, five hundred twenty-five thousand, two hundred sixteen".