320324136466552 has 16 divisors (see below), whose sum is σ = 600693398038440. Its totient is φ = 160139230322976.

The previous prime is 320324136466489. The next prime is 320324136466583. The reversal of 320324136466552 is 255664631423023.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 320324136466552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2854679178 + ... + 2854791385.

Almost surely, 2^{320324136466552} is an apocalyptic number.

It is an amenable number.

320324136466552 is a deficient number, since it is larger than the sum of its proper divisors (280369261571888).

320324136466552 is a wasteful number, since it uses less digits than its factorization.

320324136466552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5709477582 (or 5709477578 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 52.

Adding to 320324136466552 its reverse (255664631423023), we get a palindrome (575988767889575).

The spelling of 320324136466552 in words is "three hundred twenty trillion, three hundred twenty-four billion, one hundred thirty-six million, four hundred sixty-six thousand, five hundred fifty-two".