242416663 has 4 divisors (see below), whose sum is σ = 246525480. Its totient is φ = 238307848.

The previous prime is 242416661. The next prime is 242416667. The reversal of 242416663 is 366614242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242416663 - 2¹ = 242416661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242416661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2054320 + ... + 2054437.

It is an arithmetic number, because the mean of its divisors is an integer number (61631370).

Almost surely, 2^242416663 is an apocalyptic number.

242416663 is a deficient number, since it is larger than the sum of its proper divisors (4108817).

242416663 is an equidigital number, since it uses as much as digits as its factorization.

242416663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108816.

The product of its digits is 41472, while the sum is 34.

The square root of 242416663 is about 15569.7354826599. The cubic root of 242416663 is about 623.5254094283.

The spelling of 242416663 in words is "two hundred forty-two million, four hundred sixteen thousand, six hundred sixty-three".