16900609 has 8 divisors (see below), whose sum is σ = 18750240. Its totient is φ = 15103200.

The previous prime is 16900603. The next prime is 16900621. The reversal of 16900609 is 90600961.

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

It is a cyclic number.

It is not a de Polignac number, because 16900609 - 2⁹ = 16900097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16900603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12372 + ... + 13669.

It is an arithmetic number, because the mean of its divisors is an integer number (2343780).

Almost surely, 2^16900609 is an apocalyptic number.

It is an amenable number.

16900609 is a deficient number, since it is larger than the sum of its proper divisors (1849631).

16900609 is a wasteful number, since it uses less digits than its factorization.

16900609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26111.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 16900609 is about 4111.0350278245. The cubic root of 16900609 is about 256.6260768632.

The spelling of 16900609 in words is "sixteen million, nine hundred thousand, six hundred nine".