16093209 has 16 divisors (see below), whose sum is σ = 24641280. Its totient is φ = 9239760.

The previous prime is 16093201. The next prime is 16093213. The reversal of 16093209 is 90239061.

It is not a de Polignac number, because 16093209 - 2³ = 16093201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16093201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12207 + ... + 13460.

It is an arithmetic number, because the mean of its divisors is an integer number (1540080).

Almost surely, 2^16093209 is an apocalyptic number.

16093209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

16093209 is a deficient number, since it is larger than the sum of its proper divisors (8548071).

16093209 is a wasteful number, since it uses less digits than its factorization.

16093209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25700.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 16093209 is about 4011.6342056573. The cubic root of 16093209 is about 252.4725794489.

The spelling of 16093209 in words is "sixteen million, ninety-three thousand, two hundred nine".