16566316270047 has 24 divisors (see below), whose sum is σ = 24815622207376. Its totient is φ = 11044106315712.

The previous prime is 16566316270003. The next prime is 16566316270057. The reversal of 16566316270047 is 74007261366561.

16566316270047 is a `hidden beast` number, since 1 + 6 + 5 + 6 + 6 + 3 + 1 + 627 + 0 + 0 + 4 + 7 = 666.

16566316270047 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 16566316270047 - 2¹¹ = 16566316267999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16566316269975 and 16566316270002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16566316270057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32091363 + ... + 32603499.

Almost surely, 2^{16566316270047} is an apocalyptic number.

16566316270047 is a deficient number, since it is larger than the sum of its proper divisors (8249305937329).

16566316270047 is an equidigital number, since it uses as much as digits as its factorization.

16566316270047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645269 (or 645257 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 16566316270047 in words is "sixteen trillion, five hundred sixty-six billion, three hundred sixteen million, two hundred seventy thousand, forty-seven".