16442066417291 has 2 divisors, whose sum is σ = 16442066417292. Its totient is φ = 16442066417290.

The previous prime is 16442066417207. The next prime is 16442066417351. The reversal of 16442066417291 is 19271466024461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16442066417291 - 2¹⁰ = 16442066416267 is a prime.

It is a super-3 number, since 3×16442066417291³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (16442066411291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8221033208645 + 8221033208646.

It is an arithmetic number, because the mean of its divisors is an integer number (8221033208646).

Almost surely, 2^{16442066417291} is an apocalyptic number.

16442066417291 is a deficient number, since it is larger than the sum of its proper divisors (1).

16442066417291 is an equidigital number, since it uses as much as digits as its factorization.

16442066417291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 16442066417291 in words is "sixteen trillion, four hundred forty-two billion, sixty-six million, four hundred seventeen thousand, two hundred ninety-one".