322165538568 has 320 divisors, whose sum is σ = 954277632000. Its totient is φ = 101411481600.

The previous prime is 322165538503. The next prime is 322165538593. The reversal of 322165538568 is 865835561223.

It is a happy number.

322165538568 is a `hidden beast` number, since 3 + 2 + 2 + 1 + 6 + 553 + 85 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 79 ways as a sum of consecutive naturals, for example, 141237588 + ... + 141239868.

It is an arithmetic number, because the mean of its divisors is an integer number (2982117600).

Almost surely, 2^322165538568 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 322165538568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477138816000).

322165538568 is an abundant number, since it is smaller than the sum of its proper divisors (632112093432).

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

322165538568 is a wasteful number, since it uses less digits than its factorization.

322165538568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498 (or 2485 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 54.

The spelling of 322165538568 in words is "three hundred twenty-two billion, one hundred sixty-five million, five hundred thirty-eight thousand, five hundred sixty-eight".