16564105760327 has 2 divisors, whose sum is σ = 16564105760328. Its totient is φ = 16564105760326.

The previous prime is 16564105760311. The next prime is 16564105760333. The reversal of 16564105760327 is 72306750146561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16564105760327 - 2⁴ = 16564105760311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16564105760347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8282052880163 + 8282052880164.

It is an arithmetic number, because the mean of its divisors is an integer number (8282052880164).

Almost surely, 2^{16564105760327} is an apocalyptic number.

16564105760327 is a deficient number, since it is larger than the sum of its proper divisors (1).

16564105760327 is an equidigital number, since it uses as much as digits as its factorization.

16564105760327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 16564105760327 in words is "sixteen trillion, five hundred sixty-four billion, one hundred five million, seven hundred sixty thousand, three hundred twenty-seven".