16217166 has 32 divisors (see below), whose sum is σ = 37444608. Its totient is φ = 4586400.

The previous prime is 16217161. The next prime is 16217171. The reversal of 16217166 is 66171261.

16217166 is nontrivially palindromic in base 5.

It is an interprime number because it is at equal distance from previous prime (16217161) and next prime (16217171).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16217161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2331 + ... + 6153.

It is an arithmetic number, because the mean of its divisors is an integer number (1170144).

Almost surely, 2^16217166 is an apocalyptic number.

16217166 is an abundant number, since it is smaller than the sum of its proper divisors (21227442).

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

16217166 is a wasteful number, since it uses less digits than its factorization.

16217166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3936.

The product of its digits is 3024, while the sum is 30.

The square root of 16217166 is about 4027.0542583879. The cubic root of 16217166 is about 253.1191406661.

The spelling of 16217166 in words is "sixteen million, two hundred seventeen thousand, one hundred sixty-six".