16608939 has 8 divisors (see below), whose sum is σ = 22241232. Its totient is φ = 11024640.

The previous prime is 16608937. The next prime is 16608941. The reversal of 16608939 is 93980661.

It is an interprime number because it is at equal distance from previous prime (16608937) and next prime (16608941).

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

It is not a de Polignac number, because 16608939 - 2¹ = 16608937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16608939.

It is not an unprimeable number, because it can be changed into a prime (16608931) 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, 11182 + ... + 12579.

It is an arithmetic number, because the mean of its divisors is an integer number (2780154).

Almost surely, 2^16608939 is an apocalyptic number.

16608939 is a deficient number, since it is larger than the sum of its proper divisors (5632293).

16608939 is a wasteful number, since it uses less digits than its factorization.

16608939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23997.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 16608939 is about 4075.4066054812. The cubic root of 16608939 is about 255.1412212762.

The spelling of 16608939 in words is "sixteen million, six hundred eight thousand, nine hundred thirty-nine".