663340246 has 8 divisors (see below), whose sum is σ = 1002606264. Its totient is φ = 329138160.

The previous prime is 663340243. The next prime is 663340253. The reversal of 663340246 is 642043366.

663340246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (663340243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1265655 + ... + 1266178.

It is an arithmetic number, because the mean of its divisors is an integer number (125325783).

Almost surely, 2^663340246 is an apocalyptic number.

663340246 is a deficient number, since it is larger than the sum of its proper divisors (339266018).

663340246 is a wasteful number, since it uses less digits than its factorization.

663340246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531966.

The product of its (nonzero) digits is 62208, while the sum is 34.

The square root of 663340246 is about 25755.3925615588. The cubic root of 663340246 is about 872.1250934010.

The spelling of 663340246 in words is "six hundred sixty-three million, three hundred forty thousand, two hundred forty-six".