326625316864 has 312 divisors, whose sum is σ = 847259216384. Its totient is φ = 123111014400.

The previous prime is 326625316847. The next prime is 326625316877. The reversal of 326625316864 is 468613526623.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107547154 + ... + 107550190.

Almost surely, 2^326625316864 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 326625316864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423629608192).

326625316864 is an abundant number, since it is smaller than the sum of its proper divisors (520633899520).

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

326625316864 is a wasteful number, since it uses less digits than its factorization.

326625316864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121 (or 3088 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 52.

The spelling of 326625316864 in words is "three hundred twenty-six billion, six hundred twenty-five million, three hundred sixteen thousand, eight hundred sixty-four".