16043332 has 6 divisors (see below), whose sum is σ = 28075838. Its totient is φ = 8021664.

The previous prime is 16043329. The next prime is 16043333. The reversal of 16043332 is 23334061.

16043332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12716356 + 3326976 = 3566^2 + 1824^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16043333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2005413 + ... + 2005420.

Almost surely, 2^16043332 is an apocalyptic number.

It is an amenable number.

16043332 is a deficient number, since it is larger than the sum of its proper divisors (12032506).

16043332 is a wasteful number, since it uses less digits than its factorization.

16043332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010837 (or 4010835 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 16043332 is about 4005.4128376486. The cubic root of 16043332 is about 252.2114836765.

Adding to 16043332 its reverse (23334061), we get a palindrome (39377393).

The spelling of 16043332 in words is "sixteen million, forty-three thousand, three hundred thirty-two".