16606411 has 4 divisors (see below), whose sum is σ = 16672824. Its totient is φ = 16540000.

The previous prime is 16606397. The next prime is 16606423. The reversal of 16606411 is 11460661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16606411 - 2⁷ = 16606283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16606441) 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, 32830 + ... + 33331.

It is an arithmetic number, because the mean of its divisors is an integer number (4168206).

Almost surely, 2^16606411 is an apocalyptic number.

16606411 is a deficient number, since it is larger than the sum of its proper divisors (66413).

16606411 is an equidigital number, since it uses as much as digits as its factorization.

16606411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66412.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 16606411 is about 4075.0964405766. The cubic root of 16606411 is about 255.1282758429.

The spelling of 16606411 in words is "sixteen million, six hundred six thousand, four hundred eleven".