171242116612 has 24 divisors (see below), whose sum is σ = 343653137856. Its totient is φ = 73138999008.

The previous prime is 171242116607. The next prime is 171242116627. The reversal of 171242116612 is 216611242171.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10428298 + ... + 10444705.

It is an arithmetic number, because the mean of its divisors is an integer number (14318880744).

Almost surely, 2^171242116612 is an apocalyptic number.

It is an amenable number.

171242116612 is an abundant number, since it is smaller than the sum of its proper divisors (172411021244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171242116612 is a wasteful number, since it uses less digits than its factorization.

171242116612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20873307 (or 20873305 counting only the distinct ones).

The product of its digits is 8064, while the sum is 34.

Adding to 171242116612 its reverse (216611242171), we get a palindrome (387853358783).

The spelling of 171242116612 in words is "one hundred seventy-one billion, two hundred forty-two million, one hundred sixteen thousand, six hundred twelve".