171320841 has 24 divisors (see below), whose sum is σ = 256216064. Its totient is φ = 110224800.

The previous prime is 171320819. The next prime is 171320861. The reversal of 171320841 is 148023171.

It is not a de Polignac number, because 171320841 - 2⁹ = 171320329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171320861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40266 + ... + 44316.

Almost surely, 2^171320841 is an apocalyptic number.

It is an amenable number.

171320841 is a deficient number, since it is larger than the sum of its proper divisors (84895223).

171320841 is a wasteful number, since it uses less digits than its factorization.

171320841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221 (or 4218 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 171320841 is about 13088.9587439185. The cubic root of 171320841 is about 555.3968333077.

The spelling of 171320841 in words is "one hundred seventy-one million, three hundred twenty thousand, eight hundred forty-one".