243041166 has 12 divisors (see below), whose sum is σ = 526589232. Its totient is φ = 81013716.

The previous prime is 243041081. The next prime is 243041167. The reversal of 243041166 is 661140342.

243041166 is a `hidden beast` number, since 243 + 0 + 411 + 6 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243041167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6751126 + ... + 6751161.

It is an arithmetic number, because the mean of its divisors is an integer number (43882436).

Almost surely, 2^243041166 is an apocalyptic number.

243041166 is an abundant number, since it is smaller than the sum of its proper divisors (283548066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243041166 is a wasteful number, since it uses less digits than its factorization.

243041166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13502295 (or 13502292 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 243041166 is about 15589.7776122689. Note that the first 3 decimals coincide. The cubic root of 243041166 is about 624.0603830867.

The spelling of 243041166 in words is "two hundred forty-three million, forty-one thousand, one hundred sixty-six".