16025109 has 8 divisors (see below), whose sum is σ = 22056192. Its totient is φ = 10338720.

The previous prime is 16025083. The next prime is 16025117. The reversal of 16025109 is 90152061.

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

It is not a de Polignac number, because 16025109 - 2¹² = 16021013 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16025129) 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 7 ways as a sum of consecutive naturals, for example, 86064 + ... + 86249.

It is an arithmetic number, because the mean of its divisors is an integer number (2757024).

Almost surely, 2^16025109 is an apocalyptic number.

It is an amenable number.

16025109 is a deficient number, since it is larger than the sum of its proper divisors (6031083).

16025109 is a wasteful number, since it uses less digits than its factorization.

16025109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172347.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 16025109 is about 4003.1373945944. The cubic root of 16025109 is about 252.1159550768.

The spelling of 16025109 in words is "sixteen million, twenty-five thousand, one hundred nine".