16289072 has 20 divisors (see below), whose sum is σ = 32233056. Its totient is φ = 7970880.

The previous prime is 16289059. The next prime is 16289087. The reversal of 16289072 is 27098261.

It is a happy number.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 12.

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, 10079 + ... + 11582.

Almost surely, 2^16289072 is an apocalyptic number.

It is an amenable number.

16289072 is a deficient number, since it is larger than the sum of its proper divisors (15943984).

16289072 is a wasteful number, since it uses less digits than its factorization.

16289072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21716 (or 21710 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 16289072 is about 4035.9722496568. The cubic root of 16289072 is about 253.4926944378.

The spelling of 16289072 in words is "sixteen million, two hundred eighty-nine thousand, seventy-two".