325383641648 has 60 divisors (see below), whose sum is σ = 683704967760. Its totient is φ = 149946271488.

The previous prime is 325383641633. The next prime is 325383641669. The reversal of 325383641648 is 846146383523.

It is a super-2 number, since 2×325383641648² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 325383641648.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1673573 + ... + 1857851.

It is an arithmetic number, because the mean of its divisors is an integer number (11395082796).

Almost surely, 2^325383641648 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 325383641648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341852483880).

325383641648 is an abundant number, since it is smaller than the sum of its proper divisors (358321326112).

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

325383641648 is a wasteful number, since it uses less digits than its factorization.

325383641648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184966 (or 184947 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 53.

The spelling of 325383641648 in words is "three hundred twenty-five billion, three hundred eighty-three million, six hundred forty-one thousand, six hundred forty-eight".