326616822016 has 81 divisors (see below), whose sum is σ = 681975356629. Its totient is φ = 156107460608.

The previous prime is 326616822013. The next prime is 326616822031. The reversal of 326616822016 is 610228616623.

The square root of 326616822016 is 571504.

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., 33182265600 + 293434556416 = 182160^2 + 541696^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326616822013) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 210312696 + ... + 210314248.

Almost surely, 2^326616822016 is an apocalyptic number.

326616822016 is the 571504-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326616822016

326616822016 is an abundant number, since it is smaller than the sum of its proper divisors (355358534613).

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

326616822016 is an frugal number, since it uses more digits than its factorization.

326616822016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3168 (or 1578 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 326616822016 in words is "three hundred twenty-six billion, six hundred sixteen million, eight hundred twenty-two thousand, sixteen".