168066871 has 4 divisors (see below), whose sum is σ = 192076432. Its totient is φ = 144057312.

The previous prime is 168066863. The next prime is 168066881. The reversal of 168066871 is 178660861.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 168066871 - 2³ = 168066863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168066881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12004770 + ... + 12004783.

It is an arithmetic number, because the mean of its divisors is an integer number (48019108).

Almost surely, 2^168066871 is an apocalyptic number.

168066871 is a deficient number, since it is larger than the sum of its proper divisors (24009561).

168066871 is an equidigital number, since it uses as much as digits as its factorization.

168066871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24009560.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 168066871 is about 12964.0607449981. The cubic root of 168066871 is about 551.8580366832.

The spelling of 168066871 in words is "one hundred sixty-eight million, sixty-six thousand, eight hundred seventy-one".