16534980334091 has 2 divisors, whose sum is σ = 16534980334092. Its totient is φ = 16534980334090.

The previous prime is 16534980334063. The next prime is 16534980334133. The reversal of 16534980334091 is 19043308943561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16534980334091 - 2¹⁸ = 16534980071947 is a prime.

It is a super-2 number, since 2×16534980334091² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16534980334001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8267490167045 + 8267490167046.

It is an arithmetic number, because the mean of its divisors is an integer number (8267490167046).

Almost surely, 2^{16534980334091} is an apocalyptic number.

16534980334091 is a deficient number, since it is larger than the sum of its proper divisors (1).

16534980334091 is an equidigital number, since it uses as much as digits as its factorization.

16534980334091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8398080, while the sum is 56.

The spelling of 16534980334091 in words is "sixteen trillion, five hundred thirty-four billion, nine hundred eighty million, three hundred thirty-four thousand, ninety-one".