320061330533464 has 16 divisors (see below), whose sum is σ = 646277686654320. Its totient is φ = 147720614092320.

The previous prime is 320061330533459. The next prime is 320061330533521. The reversal of 320061330533464 is 464335033160023.

It is a self number, because there is not a number n which added to its sum of digits gives 320061330533464.

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, 1538756396692 + ... + 1538756396899.

It is an arithmetic number, because the mean of its divisors is an integer number (40392355415895).

Almost surely, 2^{320061330533464} is an apocalyptic number.

It is an amenable number.

320061330533464 is an abundant number, since it is smaller than the sum of its proper divisors (326216356120856).

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

320061330533464 is a wasteful number, since it uses less digits than its factorization.

320061330533464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077512793610 (or 3077512793606 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 43.

Adding to 320061330533464 its reverse (464335033160023), we get a palindrome (784396363693487).

The spelling of 320061330533464 in words is "three hundred twenty trillion, sixty-one billion, three hundred thirty million, five hundred thirty-three thousand, four hundred sixty-four".