242534666 has 16 divisors (see below), whose sum is σ = 397480608. Its totient is φ = 110074800.

The previous prime is 242534659. The next prime is 242534683. The reversal of 242534666 is 666435242.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6956 + ... + 23096.

It is an arithmetic number, because the mean of its divisors is an integer number (24842538).

Almost surely, 2^242534666 is an apocalyptic number.

242534666 is a deficient number, since it is larger than the sum of its proper divisors (154945942).

242534666 is a wasteful number, since it uses less digits than its factorization.

242534666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16837.

The product of its digits is 207360, while the sum is 38.

The square root of 242534666 is about 15573.5245208013. The cubic root of 242534666 is about 623.6265657495.

The spelling of 242534666 in words is "two hundred forty-two million, five hundred thirty-four thousand, six hundred sixty-six".