63971592064000 has 704 divisors, whose sum is σ = 174739451387904. Its totient is φ = 23296204800000.

The previous prime is 63971592063997. The next prime is 63971592064099. The reversal of 63971592064000 is 46029517936.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5567098255 + ... + 5567109745.

Almost surely, 2^{63971592064000} 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 63971592064000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87369725693952).

63971592064000 is an abundant number, since it is smaller than the sum of its proper divisors (110767859323904).

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

63971592064000 is a wasteful number, since it uses less digits than its factorization.

63971592064000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11641 (or 11613 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 63971592064000 in words is "sixty-three trillion, nine hundred seventy-one billion, five hundred ninety-two million, sixty-four thousand".