663242366 has 4 divisors (see below), whose sum is σ = 994863552. Its totient is φ = 331621182.

The previous prime is 663242351. The next prime is 663242399.

663242366 is nontrivially palindromic in base 10.

663242366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165810590 + ... + 165810593.

It is an arithmetic number, because the mean of its divisors is an integer number (248715888).

Almost surely, 2^663242366 is an apocalyptic number.

663242366 is a deficient number, since it is larger than the sum of its proper divisors (331621186).

663242366 is a wasteful number, since it uses less digits than its factorization.

663242366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331621185.

The product of its digits is 186624, while the sum is 38.

The square root of 663242366 is about 25753.4923068698. The cubic root of 663242366 is about 872.0821954545.

The spelling of 663242366 in words is "six hundred sixty-three million, two hundred forty-two thousand, three hundred sixty-six".