63135663 has 8 divisors (see below), whose sum is σ = 84374400. Its totient is φ = 41993688.

The previous prime is 63135659. The next prime is 63135673. The reversal of 63135663 is 36653136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63135663 - 2² = 63135659 is a prime.

It is a super-2 number, since 2×63135663² = 7972223884899138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63135673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22653 + ... + 25286.

It is an arithmetic number, because the mean of its divisors is an integer number (10546800).

Almost surely, 2^63135663 is an apocalyptic number.

63135663 is a deficient number, since it is larger than the sum of its proper divisors (21238737).

63135663 is a wasteful number, since it uses less digits than its factorization.

63135663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48381.

The product of its digits is 29160, while the sum is 33.

The square root of 63135663 is about 7945.7953031776. The cubic root of 63135663 is about 398.1911302225.

Adding to 63135663 its reverse (36653136), we get a palindrome (99788799).

The spelling of 63135663 in words is "sixty-three million, one hundred thirty-five thousand, six hundred sixty-three".