166200211 has 8 divisors (see below), whose sum is σ = 177623280. Its totient is φ = 154960128.

The previous prime is 166200193. The next prime is 166200233. The reversal of 166200211 is 112002661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166200211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166200241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43866 + ... + 47503.

It is an arithmetic number, because the mean of its divisors is an integer number (22202910).

Almost surely, 2^166200211 is an apocalyptic number.

166200211 is a deficient number, since it is larger than the sum of its proper divisors (11423069).

166200211 is a wasteful number, since it uses less digits than its factorization.

166200211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91493.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 166200211 is about 12891.8660790438. The cubic root of 166200211 is about 549.8073275534.

Adding to 166200211 its reverse (112002661), we get a palindrome (278202872).

The spelling of 166200211 in words is "one hundred sixty-six million, two hundred thousand, two hundred eleven".