171641316547852 has 12 divisors (see below), whose sum is σ = 300397573016800. Its totient is φ = 85813438543056.

The previous prime is 171641316547829. The next prime is 171641316547889. The reversal of 171641316547852 is 258745613146171.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1804879227 + ... + 1804974322.

Almost surely, 2^{171641316547852} is an apocalyptic number.

It is an amenable number.

171641316547852 is a deficient number, since it is larger than the sum of its proper divisors (128756256468948).

171641316547852 is a wasteful number, since it uses less digits than its factorization.

171641316547852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3609865440 (or 3609865438 counting only the distinct ones).

The product of its digits is 33868800, while the sum is 61.

The spelling of 171641316547852 in words is "one hundred seventy-one trillion, six hundred forty-one billion, three hundred sixteen million, five hundred forty-seven thousand, eight hundred fifty-two".