63996609600 has 1680 divisors, whose sum is σ = 301283680896. Its totient is φ = 13047091200.

The previous prime is 63996609563. The next prime is 63996609613. The reversal of 63996609600 is 690669936.

63996609600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (1680).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1207483174 + ... + 1207483226.

Almost surely, 2^63996609600 is an apocalyptic number.

63996609600 is a gapful number since it is divisible by the number (60) 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 63996609600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150641840448).

63996609600 is an abundant number, since it is smaller than the sum of its proper divisors (237287071296).

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

63996609600 is a wasteful number, since it uses less digits than its factorization.

63996609600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 2834352, while the sum is 54.

The spelling of 63996609600 in words is "sixty-three billion, nine hundred ninety-six million, six hundred nine thousand, six hundred".