63243648 has 192 divisors, whose sum is σ = 202718880. Its totient is φ = 18800640.

The previous prime is 63243637. The next prime is 63243659. The reversal of 63243648 is 84634236.

It is a happy number.

63243648 is a `hidden beast` number, since 6 + 3 + 2 + 4 + 3 + 648 = 666.

It is an interprime number because it is at equal distance from previous prime (63243637) and next prime (63243659).

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (82944) is a multiple of the sum of its prime divisors (162).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 613965 + ... + 614067.

Almost surely, 2^63243648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63243648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101359440).

63243648 is an abundant number, since it is smaller than the sum of its proper divisors (139475232).

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

63243648 is a wasteful number, since it uses less digits than its factorization.

63243648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 162 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 63243648 is about 7952.5875034482. The cubic root of 63243648 is about 398.4180182493.

The spelling of 63243648 in words is "sixty-three million, two hundred forty-three thousand, six hundred forty-eight".