320216314868 has 24 divisors (see below), whose sum is σ = 583933379400. Its totient is φ = 153458805248.

The previous prime is 320216314867. The next prime is 320216314871. The reversal of 320216314868 is 868413612023.

It can be written as a sum of positive squares in 4 ways, for example, as 152945130724 + 167271184144 = 391082^2 + 408988^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320216314867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10058873 + ... + 10090656.

It is an arithmetic number, because the mean of its divisors is an integer number (24330557475).

Almost surely, 2^320216314868 is an apocalyptic number.

It is an amenable number.

320216314868 is a deficient number, since it is larger than the sum of its proper divisors (263717064532).

320216314868 is a wasteful number, since it uses less digits than its factorization.

320216314868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20149699 (or 20149697 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 320216314868 in words is "three hundred twenty billion, two hundred sixteen million, three hundred fourteen thousand, eight hundred sixty-eight".