166201205 has 8 divisors (see below), whose sum is σ = 202418592. Its totient is φ = 130976208.

The previous prime is 166201193. The next prime is 166201207. The reversal of 166201205 is 502102661.

166201205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 166201205 - 2²⁰ = 165152629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166201207) 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, 247727 + ... + 248396.

It is an arithmetic number, because the mean of its divisors is an integer number (25302324).

Almost surely, 2^166201205 is an apocalyptic number.

It is an amenable number.

166201205 is a deficient number, since it is larger than the sum of its proper divisors (36217387).

166201205 is an equidigital number, since it uses as much as digits as its factorization.

166201205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496195.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 166201205 is about 12891.9046304260. The cubic root of 166201205 is about 549.8084236359.

Adding to 166201205 its reverse (502102661), we get a palindrome (668303866).

The spelling of 166201205 in words is "one hundred sixty-six million, two hundred one thousand, two hundred five".