16006669 has 8 divisors (see below), whose sum is σ = 18427968. Its totient is φ = 13619040.

The previous prime is 16006667. The next prime is 16006703. The reversal of 16006669 is 96660061.

It is a happy number.

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 16006669 - 2¹ = 16006667 is a prime.

It is a super-2 number, since 2×16006669² = 512426904951122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16006663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7387 + ... + 9304.

It is an arithmetic number, because the mean of its divisors is an integer number (2303496).

Almost surely, 2^16006669 is an apocalyptic number.

It is an amenable number.

16006669 is a deficient number, since it is larger than the sum of its proper divisors (2421299).

16006669 is a wasteful number, since it uses less digits than its factorization.

16006669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16835.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 16006669 is about 4000.8335381518. The cubic root of 16006669 is about 252.0192151721.

The spelling of 16006669 in words is "sixteen million, six thousand, six hundred sixty-nine".