16564641717141 has 32 divisors (see below), whose sum is σ = 28112571833600. Its totient is φ = 9443026111680.

The previous prime is 16564641717109. The next prime is 16564641717157. The reversal of 16564641717141 is 14171714646561.

16564641717141 is a `hidden beast` number, since 1 + 6 + 5 + 6 + 464 + 1 + 7 + 171 + 4 + 1 = 666.

16564641717141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16564641717141 - 2⁵ = 16564641717109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16564641717181) 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, 104010226 + ... + 104169363.

It is an arithmetic number, because the mean of its divisors is an integer number (878517869800).

Almost surely, 2^{16564641717141} is an apocalyptic number.

It is an amenable number.

16564641717141 is a deficient number, since it is larger than the sum of its proper divisors (11547930116459).

16564641717141 is a wasteful number, since it uses less digits than its factorization.

16564641717141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208180026 (or 208180020 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The spelling of 16564641717141 in words is "sixteen trillion, five hundred sixty-four billion, six hundred forty-one million, seven hundred seventeen thousand, one hundred forty-one".