320064522104664 has 96 divisors (see below), whose sum is σ = 898954574656320. Its totient is φ = 106687233716256.

The previous prime is 320064522104641. The next prime is 320064522104669. The reversal of 320064522104664 is 466401225460023.

It is a happy number.

320064522104664 is a `hidden beast` number, since 3 + 2 + 0 + 0 + 64 + 522 + 1 + 0 + 4 + 6 + 64 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320064522104669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240522727 + ... + 241849769.

It is an arithmetic number, because the mean of its divisors is an integer number (9364110152670).

Almost surely, 2^{320064522104664} is an apocalyptic number.

It is an amenable number.

320064522104664 is an abundant number, since it is smaller than the sum of its proper divisors (578890052551656).

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

320064522104664 is a wasteful number, since it uses less digits than its factorization.

320064522104664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451131 (or 1451115 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

Adding to 320064522104664 its reverse (466401225460023), we get a palindrome (786465747564687).

The spelling of 320064522104664 in words is "three hundred twenty trillion, sixty-four billion, five hundred twenty-two million, one hundred four thousand, six hundred sixty-four".