171242114617178 has 16 divisors (see below), whose sum is σ = 286176377234304. Its totient is φ = 76181211531360.

The previous prime is 171242114617129. The next prime is 171242114617219. The reversal of 171242114617178 is 871716411242171.

It is a happy number.

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, 82805663675 + ... + 82805665742.

It is an arithmetic number, because the mean of its divisors is an integer number (17886023577144).

Almost surely, 2^{171242114617178} is an apocalyptic number.

171242114617178 is a deficient number, since it is larger than the sum of its proper divisors (114934262617126).

171242114617178 is a wasteful number, since it uses less digits than its factorization.

171242114617178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165611329477.

The product of its digits is 1053696, while the sum is 53.

The spelling of 171242114617178 in words is "one hundred seventy-one trillion, two hundred forty-two billion, one hundred fourteen million, six hundred seventeen thousand, one hundred seventy-eight".