171708327142 has 32 divisors (see below), whose sum is σ = 290930849280. Its totient is φ = 75289257120.

The previous prime is 171708327137. The next prime is 171708327157. The reversal of 171708327142 is 241723807171.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581713 + ... + 825715.

It is an arithmetic number, because the mean of its divisors is an integer number (9091589040).

Almost surely, 2^171708327142 is an apocalyptic number.

171708327142 is a deficient number, since it is larger than the sum of its proper divisors (119222522138).

171708327142 is a wasteful number, since it uses less digits than its factorization.

171708327142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245148.

The product of its (nonzero) digits is 131712, while the sum is 43.

The spelling of 171708327142 in words is "one hundred seventy-one billion, seven hundred eight million, three hundred twenty-seven thousand, one hundred forty-two".