16104539 has 4 divisors (see below), whose sum is σ = 17568600. Its totient is φ = 14640480.

The previous prime is 16104521. The next prime is 16104601. The reversal of 16104539 is 93540161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16104539 - 2¹² = 16100443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16104239) 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, 732014 + ... + 732035.

It is an arithmetic number, because the mean of its divisors is an integer number (4392150).

Almost surely, 2^16104539 is an apocalyptic number.

16104539 is a deficient number, since it is larger than the sum of its proper divisors (1464061).

16104539 is a wasteful number, since it uses less digits than its factorization.

16104539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464060.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 16104539 is about 4013.0460999096. The cubic root of 16104539 is about 252.5318144405.

The spelling of 16104539 in words is "sixteen million, one hundred four thousand, five hundred thirty-nine".