242106566 has 8 divisors (see below), whose sum is σ = 391095264. Its totient is φ = 111741480.

The previous prime is 242106563. The next prime is 242106581. The reversal of 242106566 is 665601242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242106563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4655870 + ... + 4655921.

It is an arithmetic number, because the mean of its divisors is an integer number (48886908).

Almost surely, 2^242106566 is an apocalyptic number.

242106566 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

242106566 is a deficient number, since it is larger than the sum of its proper divisors (148988698).

242106566 is a wasteful number, since it uses less digits than its factorization.

242106566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9311806.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 242106566 is about 15559.7739700807. The cubic root of 242106566 is about 623.2594268011.

The spelling of 242106566 in words is "two hundred forty-two million, one hundred six thousand, five hundred sixty-six".