63353668 has 18 divisors (see below), whose sum is σ = 128970366. Its totient is φ = 27151488.

The previous prime is 63353629. The next prime is 63353683. The reversal of 63353668 is 86635336.

63353668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 59938564 + 3415104 = 7742^2 + 1848^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63353668.

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 5 ways as a sum of consecutive naturals, for example, 161421 + ... + 161812.

Almost surely, 2^63353668 is an apocalyptic number.

It is an amenable number.

63353668 is an abundant number, since it is smaller than the sum of its proper divisors (65616698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63353668 is a wasteful number, since it uses less digits than its factorization.

63353668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323251 (or 323242 counting only the distinct ones).

The product of its digits is 233280, while the sum is 40.

The square root of 63353668 is about 7959.5017431998. The cubic root of 63353668 is about 398.6489165721.

The spelling of 63353668 in words is "sixty-three million, three hundred fifty-three thousand, six hundred sixty-eight".