16563363535260 has 144 divisors (see below), whose sum is σ = 54116448946560. Its totient is φ = 4087116351360.

The previous prime is 16563363535223. The next prime is 16563363535267. The reversal of 16563363535260 is 6253536336561.

16563363535260 is a `hidden beast` number, since 1 + 6 + 5 + 6 + 3 + 3 + 63 + 53 + 526 + 0 = 666.

16563363535260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16563363535197 and 16563363535206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16563363535267) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56167926 + ... + 56462045.

It is an arithmetic number, because the mean of its divisors is an integer number (375808673240).

Almost surely, 2^{16563363535260} is an apocalyptic number.

16563363535260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16563363535260 is an abundant number, since it is smaller than the sum of its proper divisors (37553085411300).

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

16563363535260 is a wasteful number, since it uses less digits than its factorization.

16563363535260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112630048 (or 112630043 counting only the distinct ones).

The product of its (nonzero) digits is 26244000, while the sum is 54.

The spelling of 16563363535260 in words is "sixteen trillion, five hundred sixty-three billion, three hundred sixty-three million, five hundred thirty-five thousand, two hundred sixty".