166202241 has 16 divisors (see below), whose sum is σ = 224456064. Its totient is φ = 109384704.

The previous prime is 166202237. The next prime is 166202297. The reversal of 166202241 is 142202661.

It is not a de Polignac number, because 166202241 - 2² = 166202237 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (166202341) 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 15 ways as a sum of consecutive naturals, for example, 77601 + ... + 79713.

It is an arithmetic number, because the mean of its divisors is an integer number (14028504).

Almost surely, 2^166202241 is an apocalyptic number.

It is an amenable number.

166202241 is a deficient number, since it is larger than the sum of its proper divisors (58253823).

166202241 is a wasteful number, since it uses less digits than its factorization.

166202241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 166202241 is about 12891.9448106172. The cubic root of 166202241 is about 549.8095660270.

The spelling of 166202241 in words is "one hundred sixty-six million, two hundred two thousand, two hundred forty-one".