16543332232 has 64 divisors (see below), whose sum is σ = 36187326720. Its totient is φ = 6943043328.

The previous prime is 16543332229. The next prime is 16543332241. The reversal of 16543332232 is 23223334561.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1648173 + ... + 1658179.

It is an arithmetic number, because the mean of its divisors is an integer number (565426980).

Almost surely, 2^16543332232 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 16543332232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18093663360).

16543332232 is an abundant number, since it is smaller than the sum of its proper divisors (19643994488).

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

16543332232 is a wasteful number, since it uses less digits than its factorization.

16543332232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10630 (or 10626 counting only the distinct ones).

The product of its digits is 77760, while the sum is 34.

Adding to 16543332232 its reverse (23223334561), we get a palindrome (39766666793).

The spelling of 16543332232 in words is "sixteen billion, five hundred forty-three million, three hundred thirty-two thousand, two hundred thirty-two".