16232016512 has 64 divisors (see below), whose sum is σ = 33096470400. Its totient is φ = 7927670784.

The previous prime is 16232016511. The next prime is 16232016529. The reversal of 16232016512 is 21561023261.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×16232016512² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16232016511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936953 + ... + 954119.

It is an arithmetic number, because the mean of its divisors is an integer number (517132350).

Almost surely, 2^16232016512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16232016512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16548235200).

16232016512 is an abundant number, since it is smaller than the sum of its proper divisors (16864453888).

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

16232016512 is an equidigital number, since it uses as much as digits as its factorization.

16232016512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17353 (or 17341 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 16232016512 its reverse (21561023261), we get a palindrome (37793039773).

The spelling of 16232016512 in words is "sixteen billion, two hundred thirty-two million, sixteen thousand, five hundred twelve".