16072289 has 8 divisors (see below), whose sum is σ = 16302912. Its totient is φ = 15843600.

The previous prime is 16072267. The next prime is 16072297. The reversal of 16072289 is 98227061.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16072289 - 2²⁰ = 15023713 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16072489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24287 + ... + 24939.

It is an arithmetic number, because the mean of its divisors is an integer number (2037864).

Almost surely, 2^16072289 is an apocalyptic number.

It is an amenable number.

16072289 is a deficient number, since it is larger than the sum of its proper divisors (230623).

16072289 is a wasteful number, since it uses less digits than its factorization.

16072289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967.

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

The square root of 16072289 is about 4009.0259415474. The cubic root of 16072289 is about 252.3631333540.

It can be divided in two parts, 16072 and 289, that added together give a palindrome (16361).

The spelling of 16072289 in words is "sixteen million, seventy-two thousand, two hundred eighty-nine".