5663216520 has 128 divisors (see below), whose sum is σ = 20329545600. Its totient is φ = 1394019072.

The previous prime is 5663216519. The next prime is 5663216527. The reversal of 5663216520 is 256123665.

It is a happy number.

5663216520 is a `hidden beast` number, since 5 + 6 + 632 + 16 + 5 + 2 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (5663216527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187642 + ... + 215721.

It is an arithmetic number, because the mean of its divisors is an integer number (158824575).

Almost surely, 2^5663216520 is an apocalyptic number.

It is an amenable number.

5663216520 is an abundant number, since it is smaller than the sum of its proper divisors (14666329080).

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

5663216520 is a wasteful number, since it uses less digits than its factorization.

5663216520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403396 (or 403386 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 5663216520 is about 75254.3455223683. The cubic root of 5663216520 is about 1782.4651825497.

The spelling of 5663216520 in words is "five billion, six hundred sixty-three million, two hundred sixteen thousand, five hundred twenty".