16610109 has 8 divisors (see below), whose sum is σ = 22194240. Its totient is φ = 11049696.

The previous prime is 16610107. The next prime is 16610137. The reversal of 16610109 is 90101661.

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

It is not a de Polignac number, because 16610109 - 2¹ = 16610107 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16610101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4224 + ... + 7145.

It is an arithmetic number, because the mean of its divisors is an integer number (2774280).

Almost surely, 2^16610109 is an apocalyptic number.

It is an amenable number.

16610109 is a deficient number, since it is larger than the sum of its proper divisors (5584131).

16610109 is a wasteful number, since it uses less digits than its factorization.

16610109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11859.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 16610109 is about 4075.5501469127. The cubic root of 16610109 is about 255.1472121910.

The spelling of 16610109 in words is "sixteen million, six hundred ten thousand, one hundred nine".