171668705382 has 48 divisors (see below), whose sum is σ = 380792288448. Its totient is φ = 55863727920.

The previous prime is 171668705371. The next prime is 171668705407. The reversal of 171668705382 is 283507866171.

It is a happy number.

171668705382 is a `hidden beast` number, since 17 + 16 + 6 + 87 + 0 + 538 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1494957 + ... + 1605687.

It is an arithmetic number, because the mean of its divisors is an integer number (7933172676).

Almost surely, 2^171668705382 is an apocalyptic number.

171668705382 is an abundant number, since it is smaller than the sum of its proper divisors (209123583066).

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

171668705382 is a wasteful number, since it uses less digits than its factorization.

171668705382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112785 (or 112782 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 171668705382 in words is "one hundred seventy-one billion, six hundred sixty-eight million, seven hundred five thousand, three hundred eighty-two".