16064439 has 8 divisors (see below), whose sum is σ = 22679280. Its totient is φ = 10079616.

The previous prime is 16064431. The next prime is 16064441. The reversal of 16064439 is 93446061.

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

It is not a de Polignac number, because 16064439 - 2³ = 16064431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16064431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157444 + ... + 157545.

It is an arithmetic number, because the mean of its divisors is an integer number (2834910).

Almost surely, 2^16064439 is an apocalyptic number.

16064439 is a deficient number, since it is larger than the sum of its proper divisors (6614841).

16064439 is a wasteful number, since it uses less digits than its factorization.

16064439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315009.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 16064439 is about 4008.0467811641. The cubic root of 16064439 is about 252.3220404060.

The spelling of 16064439 in words is "sixteen million, sixty-four thousand, four hundred thirty-nine".