663368342 has 32 divisors (see below), whose sum is σ = 1227744000. Its totient is φ = 261775008.

The previous prime is 663368333. The next prime is 663368357. The reversal of 663368342 is 243863366.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 663368342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71909 + ... + 80607.

It is an arithmetic number, because the mean of its divisors is an integer number (38367000).

Almost surely, 2^663368342 is an apocalyptic number.

663368342 is a deficient number, since it is larger than the sum of its proper divisors (564375658).

663368342 is a wasteful number, since it uses less digits than its factorization.

663368342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9140.

The product of its digits is 373248, while the sum is 41.

The square root of 663368342 is about 25755.9379949556. The cubic root of 663368342 is about 872.1374062781.

The spelling of 663368342 in words is "six hundred sixty-three million, three hundred sixty-eight thousand, three hundred forty-two".