320493992303716 has 135 divisors (see below), whose sum is σ = 719235828019667. Its totient is φ = 124860270223920.

The previous prime is 320493992303699. The next prime is 320493992303831. The reversal of 320493992303716 is 617303299394023.

The square root of 320493992303716 is 17902346.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 19298720685 + ... + 19298737291.

Almost surely, 2^{320493992303716} is an apocalyptic number.

320493992303716 is the 17902346-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320493992303716

320493992303716 is an abundant number, since it is smaller than the sum of its proper divisors (398741835715951).

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

320493992303716 is an frugal number, since it uses more digits than its factorization.

320493992303716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33268 (or 16627 counting only the distinct ones).

The product of its (nonzero) digits is 39680928, while the sum is 61.

The spelling of 320493992303716 in words is "three hundred twenty trillion, four hundred ninety-three billion, nine hundred ninety-two million, three hundred three thousand, seven hundred sixteen".