16049 has 4 divisors (see below), whose sum is σ = 17520. Its totient is φ = 14580.

The previous prime is 16033. The next prime is 16057. The reversal of 16049 is 94061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16049 - 2⁴ = 16033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16049.

It is not an unprimeable number, because it can be changed into a prime (16069) 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, 719 + ... + 740.

It is an arithmetic number, because the mean of its divisors is an integer number (4380).

2¹⁶⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

16049 is a deficient number, since it is larger than the sum of its proper divisors (1471).

16049 is a wasteful number, since it uses less digits than its factorization.

16049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 16049 is about 126.6846478465. The cubic root of 16049 is about 25.2241181713.

The spelling of 16049 in words is "sixteen thousand, forty-nine".