65563922936556 has 144 divisors (see below), whose sum is σ = 183776205570048. Its totient is φ = 19540576022400.

The previous prime is 65563922936549. The next prime is 65563922936581.

65563922936556 is a `hidden beast` number, since 6 + 5 + 5 + 6 + 39 + 2 + 2 + 9 + 36 + 556 = 666.

65563922936556 is nontrivially palindromic in base 10.

65563922936556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×65563922936556² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 318442261 + ... + 318648083.

It is an arithmetic number, because the mean of its divisors is an integer number (1276223649792).

Almost surely, 2^{65563922936556} is an apocalyptic number.

65563922936556 is a gapful number since it is divisible by the number (66) 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 65563922936556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91888102785024).

65563922936556 is an abundant number, since it is smaller than the sum of its proper divisors (118212282633492).

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

65563922936556 is a wasteful number, since it uses less digits than its factorization.

65563922936556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219092 (or 219087 counting only the distinct ones).

The product of its digits is 2361960000, while the sum is 72.

The spelling of 65563922936556 in words is "sixty-five trillion, five hundred sixty-three billion, nine hundred twenty-two million, nine hundred thirty-six thousand, five hundred fifty-six".