16081232 has 40 divisors (see below), whose sum is σ = 32944320. Its totient is φ = 7589120.

The previous prime is 16081231. The next prime is 16081237. The reversal of 16081232 is 23218061.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 16081198 and 16081207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16081231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32507 + ... + 32997.

It is an arithmetic number, because the mean of its divisors is an integer number (823608).

Almost surely, 2^16081232 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 16081232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16472160).

16081232 is an abundant number, since it is smaller than the sum of its proper divisors (16863088).

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

16081232 is a wasteful number, since it uses less digits than its factorization.

16081232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 16081232 is about 4010.1411446482. The cubic root of 16081232 is about 252.4099316049.

Adding to 16081232 its reverse (23218061), we get a palindrome (39299293).

The spelling of 16081232 in words is "sixteen million, eighty-one thousand, two hundred thirty-two".