171120011670 has 32 divisors (see below), whose sum is σ = 456320031840. Its totient is φ = 45632003040.

The previous prime is 171120011651. The next prime is 171120011737. The reversal of 171120011670 is 76110021171.

171120011670 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 316888641 + ... + 316889180.

It is an arithmetic number, because the mean of its divisors is an integer number (14260000995).

Almost surely, 2^171120011670 is an apocalyptic number.

171120011670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

171120011670 is an abundant number, since it is smaller than the sum of its proper divisors (285200020170).

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

171120011670 is a wasteful number, since it uses less digits than its factorization.

171120011670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633777837 (or 633777831 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 27.

The spelling of 171120011670 in words is "one hundred seventy-one billion, one hundred twenty million, eleven thousand, six hundred seventy".