328166559072 has 576 divisors, whose sum is σ = 1081803340800. Its totient is φ = 93397708800.

The previous prime is 328166559053. The next prime is 328166559089. The reversal of 328166559072 is 270955661823.

328166559072 is a `hidden beast` number, since 3 + 2 + 8 + 16 + 6 + 559 + 0 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1813074822 + ... + 1813075002.

It is an arithmetic number, because the mean of its divisors is an integer number (1878130800).

Almost surely, 2^328166559072 is an apocalyptic number.

328166559072 is a gapful number since it is divisible by the number (32) 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 328166559072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (540901670400).

328166559072 is an abundant number, since it is smaller than the sum of its proper divisors (753636781728).

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

328166559072 is a wasteful number, since it uses less digits than its factorization.

328166559072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 328166559072 in words is "three hundred twenty-eight billion, one hundred sixty-six million, five hundred fifty-nine thousand, seventy-two".