16672166 has 16 divisors (see below), whose sum is σ = 28877856. Its totient is φ = 7070976.

The previous prime is 16672153. The next prime is 16672193. The reversal of 16672166 is 66127661.

It is a super-2 number, since 2×16672166² = 555922238263112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4781 + ... + 7496.

It is an arithmetic number, because the mean of its divisors is an integer number (1804866).

Almost surely, 2^16672166 is an apocalyptic number.

16672166 is a deficient number, since it is larger than the sum of its proper divisors (12205690).

16672166 is a wasteful number, since it uses less digits than its factorization.

16672166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12383.

The product of its digits is 18144, while the sum is 35.

The square root of 16672166 is about 4083.1563771181. The cubic root of 16672166 is about 255.4645689818.

The spelling of 16672166 in words is "sixteen million, six hundred seventy-two thousand, one hundred sixty-six".