16432427171117 has 2 divisors, whose sum is σ = 16432427171118. Its totient is φ = 16432427171116.

The previous prime is 16432427171087. The next prime is 16432427171177. The reversal of 16432427171117 is 71117172423461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16388660020681 + 43767150436 = 4048291^2 + 209206^2 .

It is a cyclic number.

It is not a de Polignac number, because 16432427171117 - 2⁶ = 16432427171053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16432427171177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8216213585558 + 8216213585559.

It is an arithmetic number, because the mean of its divisors is an integer number (8216213585559).

Almost surely, 2^{16432427171117} is an apocalyptic number.

It is an amenable number.

16432427171117 is a deficient number, since it is larger than the sum of its proper divisors (1).

16432427171117 is an equidigital number, since it uses as much as digits as its factorization.

16432427171117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 395136, while the sum is 47.

Adding to 16432427171117 its reverse (71117172423461), we get a palindrome (87549599594578).

The spelling of 16432427171117 in words is "sixteen trillion, four hundred thirty-two billion, four hundred twenty-seven million, one hundred seventy-one thousand, one hundred seventeen".