16009072 has 20 divisors (see below), whose sum is σ = 31740280. Its totient is φ = 7818048.

The previous prime is 16009061. The next prime is 16009099. The reversal of 16009072 is 27090061.

16009072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10947 + ... + 12322.

It is an arithmetic number, because the mean of its divisors is an integer number (1587014).

Almost surely, 2^16009072 is an apocalyptic number.

It is an amenable number.

16009072 is a deficient number, since it is larger than the sum of its proper divisors (15731208).

16009072 is a wasteful number, since it uses less digits than its factorization.

16009072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23320 (or 23314 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 16009072 is about 4001.1338393011. The cubic root of 16009072 is about 252.0318259964.

The spelling of 16009072 in words is "sixteen million, nine thousand, seventy-two".