16564116011227 has 8 divisors (see below), whose sum is σ = 16599889752656. Its totient is φ = 16528373367552.

The previous prime is 16564116011213. The next prime is 16564116011231. The reversal of 16564116011227 is 72211061146561.

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

It is a cyclic number.

It is not a de Polignac number, because 16564116011227 - 2¹¹ = 16564116009179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16564116011257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6707838 + ... + 8838739.

It is an arithmetic number, because the mean of its divisors is an integer number (2074986219082).

Almost surely, 2^{16564116011227} is an apocalyptic number.

16564116011227 is a deficient number, since it is larger than the sum of its proper divisors (35773741429).

16564116011227 is a wasteful number, since it uses less digits than its factorization.

16564116011227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15548877.

The product of its (nonzero) digits is 120960, while the sum is 43.

Adding to 16564116011227 its reverse (72211061146561), we get a palindrome (88775177157788).

The spelling of 16564116011227 in words is "sixteen trillion, five hundred sixty-four billion, one hundred sixteen million, eleven thousand, two hundred twenty-seven".