16534980334133 has 2 divisors, whose sum is σ = 16534980334134. Its totient is φ = 16534980334132.

The previous prime is 16534980334091. The next prime is 16534980334151. The reversal of 16534980334133 is 33143308943561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16534974607684 + 5726449 = 4066322^2 + 2393^2 .

It is a cyclic number.

It is not a de Polignac number, because 16534980334133 - 2²⁰ = 16534979285557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16534980334333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8267490167066 + 8267490167067.

It is an arithmetic number, because the mean of its divisors is an integer number (8267490167067).

Almost surely, 2^{16534980334133} is an apocalyptic number.

It is an amenable number.

16534980334133 is a deficient number, since it is larger than the sum of its proper divisors (1).

16534980334133 is an equidigital number, since it uses as much as digits as its factorization.

16534980334133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8398080, while the sum is 53.

The spelling of 16534980334133 in words is "sixteen trillion, five hundred thirty-four billion, nine hundred eighty million, three hundred thirty-four thousand, one hundred thirty-three".