63608616 has 96 divisors (see below), whose sum is σ = 182632320. Its totient is φ = 19958400.

The previous prime is 63608609. The next prime is 63608641. The reversal of 63608616 is 61680636.

63608616 is a `hidden beast` number, since 6 + 36 + 0 + 8 + 616 = 666.

63608616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 23 ways as a sum of consecutive naturals, for example, 117306 + ... + 117846.

It is an arithmetic number, because the mean of its divisors is an integer number (1902420).

Almost surely, 2^63608616 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 63608616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91316160).

63608616 is an abundant number, since it is smaller than the sum of its proper divisors (119023704).

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

63608616 is a wasteful number, since it uses less digits than its factorization.

63608616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 63608616 is about 7975.5009873988. The cubic root of 63608616 is about 399.1829488716.

The spelling of 63608616 in words is "sixty-three million, six hundred eight thousand, six hundred sixteen".