63608064 has 144 divisors (see below), whose sum is σ = 190925952. Its totient is φ = 18653184.

The previous prime is 63608057. The next prime is 63608093. The reversal of 63608064 is 46080636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229494 + ... + 229770.

Almost surely, 2^63608064 is an apocalyptic number.

63608064 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63608064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95462976).

63608064 is an abundant number, since it is smaller than the sum of its proper divisors (127317888).

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

63608064 is a wasteful number, since it uses less digits than its factorization.

63608064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 63608064 is about 7975.4663813472. The cubic root of 63608064 is about 399.1817941558.

The spelling of 63608064 in words is "sixty-three million, six hundred eight thousand, sixty-four".