166200201 has 32 divisors (see below), whose sum is σ = 261324800. Its totient is φ = 104101200.

The previous prime is 166200193. The next prime is 166200233. The reversal of 166200201 is 102002661.

It is a happy number.

166200201 is a `hidden beast` number, since 1 + 662 + 0 + 0 + 2 + 0 + 1 = 666.

It is not a de Polignac number, because 166200201 - 2³ = 166200193 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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63876 + ... + 66426.

It is an arithmetic number, because the mean of its divisors is an integer number (8166400).

Almost surely, 2^166200201 is an apocalyptic number.

It is an amenable number.

166200201 is a deficient number, since it is larger than the sum of its proper divisors (95124599).

166200201 is a wasteful number, since it uses less digits than its factorization.

166200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706 (or 2700 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 166200201 is about 12891.8656912023. The cubic root of 166200201 is about 549.8073165264.

Adding to 166200201 its reverse (102002661), we get a palindrome (268202862).

The spelling of 166200201 in words is "one hundred sixty-six million, two hundred thousand, two hundred one".