16144432 has 20 divisors (see below), whose sum is σ = 32126416. Its totient is φ = 7853760.

The previous prime is 16144417. The next prime is 16144451. The reversal of 16144432 is 23444161.

It is a junction number, because it is equal to n+sod(n) for n = 16144397 and 16144406.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13044 + ... + 14227.

Almost surely, 2^16144432 is an apocalyptic number.

It is an amenable number.

16144432 is a deficient number, since it is larger than the sum of its proper divisors (15981984).

16144432 is a wasteful number, since it uses less digits than its factorization.

16144432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27316 (or 27310 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 16144432 is about 4018.0134394997. The cubic root of 16144432 is about 252.7401603546.

Adding to 16144432 its reverse (23444161), we get a palindrome (39588593).

The spelling of 16144432 in words is "sixteen million, one hundred forty-four thousand, four hundred thirty-two".