16220166 has 16 divisors (see below), whose sum is σ = 32484144. Its totient is φ = 5399424.

The previous prime is 16220143. The next prime is 16220177. The reversal of 16220166 is 66102261.

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, 4890 + ... + 7506.

It is an arithmetic number, because the mean of its divisors is an integer number (2030259).

Almost surely, 2^16220166 is an apocalyptic number.

16220166 is an abundant number, since it is smaller than the sum of its proper divisors (16263978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16220166 is a wasteful number, since it uses less digits than its factorization.

16220166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 16220166 is about 4027.4267218660. The cubic root of 16220166 is about 253.1347478032.

The spelling of 16220166 in words is "sixteen million, two hundred twenty thousand, one hundred sixty-six".