563721916716 has 720 divisors, whose sum is σ = 1905448007232. Its totient is φ = 141834240000.

The previous prime is 563721916691. The next prime is 563721916753. The reversal of 563721916716 is 617619127365.

563721916716 is a `hidden beast` number, since 563 + 7 + 2 + 1 + 9 + 1 + 6 + 71 + 6 = 666.

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, 1405790116 + ... + 1405790516.

Almost surely, 2^563721916716 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 563721916716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (952724003616).

563721916716 is an abundant number, since it is smaller than the sum of its proper divisors (1341726090516).

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

563721916716 is a wasteful number, since it uses less digits than its factorization.

563721916716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 550 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The spelling of 563721916716 in words is "five hundred sixty-three billion, seven hundred twenty-one million, nine hundred sixteen thousand, seven hundred sixteen".