171066541329 has 10 divisors (see below), whose sum is σ = 255543845810. Its totient is φ = 114044360832.

The previous prime is 171066541319. The next prime is 171066541351. The reversal of 171066541329 is 923145660171.

171066541329 is a `hidden beast` number, since 1 + 7 + 10 + 66 + 541 + 32 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 165830571729 + 5235969600 = 407223^2 + 72360^2 .

It is not a de Polignac number, because 171066541329 - 2⁵ = 171066541297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171066541319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1055966224 + ... + 1055966385.

It is an arithmetic number, because the mean of its divisors is an integer number (25554384581).

Almost surely, 2^171066541329 is an apocalyptic number.

It is an amenable number.

171066541329 is a deficient number, since it is larger than the sum of its proper divisors (84477304481).

171066541329 is an equidigital number, since it uses as much as digits as its factorization.

171066541329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111932621 (or 2111932612 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 171066541329 in words is "one hundred seventy-one billion, sixty-six million, five hundred forty-one thousand, three hundred twenty-nine".