166211241 has 16 divisors (see below), whose sum is σ = 254481408. Its totient is φ = 94525200.

The previous prime is 166211239. The next prime is 166211251. The reversal of 166211241 is 142112661.

It is a happy number.

166211241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 166211241 - 2¹ = 166211239 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (166211231) 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, 14325 + ... + 23186.

It is an arithmetic number, because the mean of its divisors is an integer number (15905088).

Almost surely, 2^166211241 is an apocalyptic number.

It is an amenable number.

166211241 is a deficient number, since it is larger than the sum of its proper divisors (88270167).

166211241 is a wasteful number, since it uses less digits than its factorization.

166211241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37732.

The product of its digits is 576, while the sum is 24.

The square root of 166211241 is about 12892.2938610629. The cubic root of 166211241 is about 549.8194900744.

The spelling of 166211241 in words is "one hundred sixty-six million, two hundred eleven thousand, two hundred forty-one".