171668712 has 16 divisors (see below), whose sum is σ = 429171840. Its totient is φ = 57222896.

The previous prime is 171668687. The next prime is 171668723. The reversal of 171668712 is 217866171.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3576408 + ... + 3576455.

It is an arithmetic number, because the mean of its divisors is an integer number (26823240).

Almost surely, 2^171668712 is an apocalyptic number.

171668712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

171668712 is an abundant number, since it is smaller than the sum of its proper divisors (257503128).

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

171668712 is a wasteful number, since it uses less digits than its factorization.

171668712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7152872 (or 7152868 counting only the distinct ones).

The product of its digits is 28224, while the sum is 39.

The square root of 171668712 is about 13102.2407243952. The cubic root of 171668712 is about 555.7724946068.

It can be divided in two parts, 17166 and 8712, that added together give a triangular number (25878 = T₂₂₇).

The spelling of 171668712 in words is "one hundred seventy-one million, six hundred sixty-eight thousand, seven hundred twelve".