326503006506 has 48 divisors (see below), whose sum is σ = 714455574144. Its totient is φ = 107752915872.

The previous prime is 326503006499. The next prime is 326503006619. The reversal of 326503006506 is 605600305623.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9172515 + ... + 9208041.

It is an arithmetic number, because the mean of its divisors is an integer number (14884491128).

Almost surely, 2^326503006506 is an apocalyptic number.

326503006506 is an abundant number, since it is smaller than the sum of its proper divisors (387952567638).

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

326503006506 is a wasteful number, since it uses less digits than its factorization.

326503006506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40595 (or 40592 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The spelling of 326503006506 in words is "three hundred twenty-six billion, five hundred three million, six thousand, five hundred six".