328520556846 has 96 divisors (see below), whose sum is σ = 762332912640. Its totient is φ = 101884025088.

The previous prime is 328520556823. The next prime is 328520556929. The reversal of 328520556846 is 648655025823.

328520556846 is a `hidden beast` number, since 3 + 2 + 8 + 5 + 2 + 0 + 556 + 84 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 328520556792 and 328520556801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15672945 + ... + 15693891.

It is an arithmetic number, because the mean of its divisors is an integer number (7940967840).

Almost surely, 2^328520556846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328520556846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381166456320).

328520556846 is an abundant number, since it is smaller than the sum of its proper divisors (433812355794).

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

328520556846 is a wasteful number, since it uses less digits than its factorization.

328520556846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21558 (or 21555 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 54.

The spelling of 328520556846 in words is "three hundred twenty-eight billion, five hundred twenty million, five hundred fifty-six thousand, eight hundred forty-six".