16323216320 has 28 divisors (see below), whose sum is σ = 38869659624. Its totient is φ = 6529286400.

The previous prime is 16323216313. The next prime is 16323216323. The reversal of 16323216320 is 2361232361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16323216323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25504706 + ... + 25505345.

Almost surely, 2^16323216320 is an apocalyptic number.

16323216320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16323216320 is an abundant number, since it is smaller than the sum of its proper divisors (22546443304).

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

16323216320 is an equidigital number, since it uses as much as digits as its factorization.

16323216320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51010068 (or 51010058 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 16323216320 its reverse (2361232361), we get a palindrome (18684448681).

The spelling of 16323216320 in words is "sixteen billion, three hundred twenty-three million, two hundred sixteen thousand, three hundred twenty".