16559689227 has 8 divisors (see below), whose sum is σ = 22161666960. Its totient is φ = 10998752160.

The previous prime is 16559689099. The next prime is 16559689259. The reversal of 16559689227 is 72298695561.

16559689227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16559689227 - 2⁷ = 16559689099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16559689277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10259224 + ... + 10260837.

It is an arithmetic number, because the mean of its divisors is an integer number (2770208370).

Almost surely, 2^16559689227 is an apocalyptic number.

16559689227 is a deficient number, since it is larger than the sum of its proper divisors (5601977733).

16559689227 is a wasteful number, since it uses less digits than its factorization.

16559689227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20520333.

The product of its digits is 16329600, while the sum is 60.

The spelling of 16559689227 in words is "sixteen billion, five hundred fifty-nine million, six hundred eighty-nine thousand, two hundred twenty-seven".