328448194816 has 405 divisors, whose sum is σ = 831807818961. Its totient is φ = 129402298368.

The previous prime is 328448194793. The next prime is 328448194913. The reversal of 328448194816 is 618491844823.

The square root of 328448194816 is 573104.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 255712262400 + 72735932416 = 505680^2 + 269696^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 7638330091 + ... + 7638330133.

Almost surely, 2^328448194816 is an apocalyptic number.

328448194816 is the 573104-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328448194816

328448194816 is an abundant number, since it is smaller than the sum of its proper divisors (503359624145).

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

328448194816 is an frugal number, since it uses more digits than its factorization.

328448194816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 69 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 58.

The spelling of 328448194816 in words is "three hundred twenty-eight billion, four hundred forty-eight million, one hundred ninety-four thousand, eight hundred sixteen".