171252384177868 has 24 divisors (see below), whose sum is σ = 345119308579584. Its totient is φ = 72833620314000.

The previous prime is 171252384177851. The next prime is 171252384177869. The reversal of 171252384177868 is 868771483252171.

171252384177868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×171252384177868² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 171252384177797 and 171252384177806.

It is not an unprimeable number, because it can be changed into a prime (171252384177869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23344105408 + ... + 23344112743.

It is an arithmetic number, because the mean of its divisors is an integer number (14379971190816).

Almost surely, 2^{171252384177868} is an apocalyptic number.

It is an amenable number.

171252384177868 is an abundant number, since it is smaller than the sum of its proper divisors (173866924401716).

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

171252384177868 is a wasteful number, since it uses less digits than its factorization.

171252384177868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46688218293 (or 46688218291 counting only the distinct ones).

The product of its digits is 252887040, while the sum is 70.

The spelling of 171252384177868 in words is "one hundred seventy-one trillion, two hundred fifty-two billion, three hundred eighty-four million, one hundred seventy-seven thousand, eight hundred sixty-eight".