320216333384 has 8 divisors (see below), whose sum is σ = 600405625110. Its totient is φ = 160108166688.

The previous prime is 320216333369. The next prime is 320216333387. The reversal of 320216333384 is 483333612023.

It can be written as a sum of positive squares in only one way, i.e., 319815132484 + 401200900 = 565522^2 + 20030^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (320216333387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20013520829 + ... + 20013520844.

Almost surely, 2^320216333384 is an apocalyptic number.

It is an amenable number.

320216333384 is a deficient number, since it is larger than the sum of its proper divisors (280189291726).

320216333384 is a wasteful number, since it uses less digits than its factorization.

320216333384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40027041679 (or 40027041675 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 320216333384 in words is "three hundred twenty billion, two hundred sixteen million, three hundred thirty-three thousand, three hundred eighty-four".