171326061 has 12 divisors (see below), whose sum is σ = 253226688. Its totient is φ = 111560904.

The previous prime is 171326039. The next prime is 171326063. The reversal of 171326061 is 160623171.

It is not a de Polignac number, because 171326061 - 2¹⁵ = 171293293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171326063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220965 + ... + 221738.

It is an arithmetic number, because the mean of its divisors is an integer number (21102224).

Almost surely, 2^171326061 is an apocalyptic number.

It is an amenable number.

171326061 is a deficient number, since it is larger than the sum of its proper divisors (81900627).

171326061 is a wasteful number, since it uses less digits than its factorization.

171326061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442752 (or 442749 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 171326061 is about 13089.1581471079. The cubic root of 171326061 is about 555.4024740732.

The spelling of 171326061 in words is "one hundred seventy-one million, three hundred twenty-six thousand, sixty-one".