325868255616 has 256 divisors, whose sum is σ = 890282764800. Its totient is φ = 105584394240.

The previous prime is 325868255579. The next prime is 325868255617. The reversal of 325868255616 is 616552868523.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (325868255617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 564762720 + ... + 564763296.

It is an arithmetic number, because the mean of its divisors is an integer number (3477667050).

Almost surely, 2^325868255616 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 325868255616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445141382400).

325868255616 is an abundant number, since it is smaller than the sum of its proper divisors (564414509184).

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

325868255616 is a wasteful number, since it uses less digits than its factorization.

325868255616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937 (or 925 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 57.

The spelling of 325868255616 in words is "three hundred twenty-five billion, eight hundred sixty-eight million, two hundred fifty-five thousand, six hundred sixteen".