63118663 has 2 divisors, whose sum is σ = 63118664. Its totient is φ = 63118662.

The previous prime is 63118661. The next prime is 63118667. The reversal of 63118663 is 36681136.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63118663 - 2¹ = 63118661 is a prime.

Together with 63118661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63118661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31559331 + 31559332.

It is an arithmetic number, because the mean of its divisors is an integer number (31559332).

Almost surely, 2^63118663 is an apocalyptic number.

63118663 is a deficient number, since it is larger than the sum of its proper divisors (1).

63118663 is an equidigital number, since it uses as much as digits as its factorization.

63118663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 63118663 is about 7944.7254829856. The cubic root of 63118663 is about 398.1553878409.

Adding to 63118663 its reverse (36681136), we get a palindrome (99799799).

The spelling of 63118663 in words is "sixty-three million, one hundred eighteen thousand, six hundred sixty-three".