242131166 has 32 divisors (see below), whose sum is σ = 387410688. Its totient is φ = 113256000.

The previous prime is 242131163. The next prime is 242131177. The reversal of 242131166 is 661131242.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242131163) 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, 773426 + ... + 773738.

It is an arithmetic number, because the mean of its divisors is an integer number (12106584).

Almost surely, 2^242131166 is an apocalyptic number.

242131166 is a deficient number, since it is larger than the sum of its proper divisors (145279522).

242131166 is a wasteful number, since it uses less digits than its factorization.

242131166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656.

The product of its digits is 1728, while the sum is 26.

The square root of 242131166 is about 15560.5644499163. The cubic root of 242131166 is about 623.2805354983.

The spelling of 242131166 in words is "two hundred forty-two million, one hundred thirty-one thousand, one hundred sixty-six".