16166966 has 32 divisors (see below), whose sum is σ = 26790912. Its totient is φ = 7286400.

The previous prime is 16166957. The next prime is 16166971. The reversal of 16166966 is 66966161.

It is a happy number.

It is a super-2 number, since 2×16166966² = 522741579290312, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 106991 + ... + 107141.

It is an arithmetic number, because the mean of its divisors is an integer number (837216).

Almost surely, 2^16166966 is an apocalyptic number.

16166966 is a deficient number, since it is larger than the sum of its proper divisors (10623946).

16166966 is a wasteful number, since it uses less digits than its factorization.

16166966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284.

The product of its digits is 69984, while the sum is 41.

The square root of 16166966 is about 4020.8165837302. The cubic root of 16166966 is about 252.8576951816.

The spelling of 16166966 in words is "sixteen million, one hundred sixty-six thousand, nine hundred sixty-six".