328632072066688 has 64 divisors (see below), whose sum is σ = 746531990696520. Its totient is φ = 142754203238400.

The previous prime is 328632072066593. The next prime is 328632072066703. The reversal of 328632072066688 is 886660270236823.

It can be written as a sum of positive squares in 4 ways, for example, as 191018714186304 + 137613357880384 = 13820952^2 + 11730872^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5808655113 + ... + 5808711688.

Almost surely, 2^{328632072066688} is an apocalyptic number.

It is an amenable number.

328632072066688 is an abundant number, since it is smaller than the sum of its proper divisors (417899918629832).

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

328632072066688 is a wasteful number, since it uses less digits than its factorization.

328632072066688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11617366845 (or 11617366833 counting only the distinct ones).

The product of its (nonzero) digits is 334430208, while the sum is 67.

The spelling of 328632072066688 in words is "three hundred twenty-eight trillion, six hundred thirty-two billion, seventy-two million, sixty-six thousand, six hundred eighty-eight".