326303223147660 has 576 divisors, whose sum is σ = 1075935711416832. Its totient is φ = 73571097600000.

The previous prime is 326303223147659. The next prime is 326303223147679. The reversal of 326303223147660 is 66741322303623.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6519389635 + ... + 6519439685.

It is an arithmetic number, because the mean of its divisors is an integer number (1867943943432).

Almost surely, 2^{326303223147660} is an apocalyptic number.

326303223147660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326303223147660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537967855708416).

326303223147660 is an abundant number, since it is smaller than the sum of its proper divisors (749632488269172).

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

326303223147660 is a wasteful number, since it uses less digits than its factorization.

326303223147660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50726 (or 50713 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 48.

The spelling of 326303223147660 in words is "three hundred twenty-six trillion, three hundred three billion, two hundred twenty-three million, one hundred forty-seven thousand, six hundred sixty".