168866 has 8 divisors (see below), whose sum is σ = 264384. Its totient is φ = 80740.

The previous prime is 168863. The next prime is 168869. The reversal of 168866 is 668861.

It is an interprime number because it is at equal distance from previous prime (168863) and next prime (168869).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (168863) 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, 1790 + ... + 1881.

It is an arithmetic number, because the mean of its divisors is an integer number (33048).

2¹⁶⁸⁸⁶⁶ is an apocalyptic number.

168866 is a deficient number, since it is larger than the sum of its proper divisors (95518).

168866 is a wasteful number, since it uses less digits than its factorization.

168866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696.

The product of its digits is 13824, while the sum is 35.

The square root of 168866 is about 410.9330845770. The cubic root of 168866 is about 55.2731317321.

The spelling of 168866 in words is "one hundred sixty-eight thousand, eight hundred sixty-six".