63632065536 has 616 divisors, whose sum is σ = 210491863680. Its totient is φ = 19098353664.

The previous prime is 63632065487. The next prime is 63632065561. The reversal of 63632065536 is 63556023636.

63632065536 is a `hidden beast` number, since 6 + 3 + 632 + 0 + 6 + 5 + 5 + 3 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 63632065491 and 63632065500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 766651351 + ... + 766651433.

Almost surely, 2^63632065536 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 63632065536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105245931840).

63632065536 is an abundant number, since it is smaller than the sum of its proper divisors (146859798144).

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

63632065536 is an equidigital number, since it uses as much as digits as its factorization.

63632065536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 45.

The spelling of 63632065536 in words is "sixty-three billion, six hundred thirty-two million, sixty-five thousand, five hundred thirty-six".