16668367 has 8 divisors (see below), whose sum is σ = 16874352. Its totient is φ = 16464000.

The previous prime is 16668361. The next prime is 16668401. The reversal of 16668367 is 76386661.

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 16668367 - 2¹¹ = 16666319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16668361) 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, 41367 + ... + 41767.

It is an arithmetic number, because the mean of its divisors is an integer number (2109294).

Almost surely, 2^16668367 is an apocalyptic number.

16668367 is a deficient number, since it is larger than the sum of its proper divisors (205985).

16668367 is a wasteful number, since it uses less digits than its factorization.

16668367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809.

The product of its digits is 217728, while the sum is 43.

The square root of 16668367 is about 4082.6911467805. The cubic root of 16668367 is about 255.4451637123.

The spelling of 16668367 in words is "sixteen million, six hundred sixty-eight thousand, three hundred sixty-seven".