16039459 has 4 divisors (see below), whose sum is σ = 16186720. Its totient is φ = 15892200.

The previous prime is 16039451. The next prime is 16039489. The reversal of 16039459 is 95493061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95493061 = 163 ⋅585847.

It is not a de Polignac number, because 16039459 - 2³ = 16039451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16039451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73467 + ... + 73684.

It is an arithmetic number, because the mean of its divisors is an integer number (4046680).

Almost surely, 2^16039459 is an apocalyptic number.

16039459 is a deficient number, since it is larger than the sum of its proper divisors (147261).

16039459 is a wasteful number, since it uses less digits than its factorization.

16039459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147260.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 16039459 is about 4004.9293377037. The cubic root of 16039459 is about 252.1911866939.

The spelling of 16039459 in words is "sixteen million, thirty-nine thousand, four hundred fifty-nine".