63565320060 has 288 divisors, whose sum is σ = 215974309824. Its totient is φ = 14999040000.

The previous prime is 63565320029. The next prime is 63565320061. The reversal of 63565320060 is 6002356536.

63565320060 is a `hidden beast` number, since 6 + 3 + 565 + 32 + 0 + 0 + 60 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 63565319997 and 63565320024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63565320061) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 56906622 + ... + 56907738.

It is an arithmetic number, because the mean of its divisors is an integer number (749910798).

Almost surely, 2^63565320060 is an apocalyptic number.

63565320060 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 63565320060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107987154912).

63565320060 is an abundant number, since it is smaller than the sum of its proper divisors (152408989764).

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

63565320060 is a wasteful number, since it uses less digits than its factorization.

63565320060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885 (or 1880 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

Adding to 63565320060 its reverse (6002356536), we get a palindrome (69567676596).

The spelling of 63565320060 in words is "sixty-three billion, five hundred sixty-five million, three hundred twenty thousand, sixty".