63648663 has 16 divisors (see below), whose sum is σ = 96770016. Its totient is φ = 36864000.

The previous prime is 63648661. The next prime is 63648671. The reversal of 63648663 is 36684636.

It is not a de Polignac number, because 63648663 - 2¹ = 63648661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63648661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47338 + ... + 48663.

It is an arithmetic number, because the mean of its divisors is an integer number (6048126).

Almost surely, 2^63648663 is an apocalyptic number.

63648663 is a deficient number, since it is larger than the sum of its proper divisors (33121353).

63648663 is a wasteful number, since it uses less digits than its factorization.

63648663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96034.

The product of its digits is 373248, while the sum is 42.

The square root of 63648663 is about 7978.0112183426. The cubic root of 63648663 is about 399.2667044322.

The spelling of 63648663 in words is "sixty-three million, six hundred forty-eight thousand, six hundred sixty-three".