16530558022129 has 2 divisors, whose sum is σ = 16530558022130. Its totient is φ = 16530558022128.

The previous prime is 16530558022091. The next prime is 16530558022193. The reversal of 16530558022129 is 92122085503561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16045215899904 + 485342122225 = 4005648^2 + 696665^2 .

It is a cyclic number.

It is not a de Polignac number, because 16530558022129 - 2¹⁹ = 16530557497841 is a prime.

It is not a weakly prime, because it can be changed into another prime (16530558023129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8265279011064 + 8265279011065.

It is an arithmetic number, because the mean of its divisors is an integer number (8265279011065).

Almost surely, 2^{16530558022129} is an apocalyptic number.

It is an amenable number.

16530558022129 is a deficient number, since it is larger than the sum of its proper divisors (1).

16530558022129 is an equidigital number, since it uses as much as digits as its factorization.

16530558022129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296000, while the sum is 49.

The spelling of 16530558022129 in words is "sixteen trillion, five hundred thirty billion, five hundred fifty-eight million, twenty-two thousand, one hundred twenty-nine".