171871512073 has 8 divisors (see below), whose sum is σ = 172159800192. Its totient is φ = 171583295136.

The previous prime is 171871512061. The next prime is 171871512079. The reversal of 171871512073 is 370215178171.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 171871512073 - 2¹⁷ = 171871381001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171871512079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7219636 + ... + 7243402.

It is an arithmetic number, because the mean of its divisors is an integer number (21519975024).

Almost surely, 2^171871512073 is an apocalyptic number.

It is an amenable number.

171871512073 is a deficient number, since it is larger than the sum of its proper divisors (288288119).

171871512073 is a wasteful number, since it uses less digits than its factorization.

171871512073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35591.

The product of its (nonzero) digits is 82320, while the sum is 43.

The spelling of 171871512073 in words is "one hundred seventy-one billion, eight hundred seventy-one million, five hundred twelve thousand, seventy-three".