320216348358 has 96 divisors (see below), whose sum is σ = 736147651680. Its totient is φ = 103116810240.

The previous prime is 320216348327. The next prime is 320216348369. The reversal of 320216348358 is 853843612023.

320216348358 is a `hidden beast` number, since 3 + 2 + 0 + 2 + 1 + 634 + 8 + 3 + 5 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 23481510 + ... + 23495142.

It is an arithmetic number, because the mean of its divisors is an integer number (7668204705).

Almost surely, 2^320216348358 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320216348358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368073825840).

320216348358 is an abundant number, since it is smaller than the sum of its proper divisors (415931303322).

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

320216348358 is a wasteful number, since it uses less digits than its factorization.

320216348358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13891 (or 13782 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 320216348358 in words is "three hundred twenty billion, two hundred sixteen million, three hundred forty-eight thousand, three hundred fifty-eight".