166768 has 20 divisors (see below), whose sum is σ = 369520. Its totient is φ = 71424.

The previous prime is 166741. The next prime is 166781. The reversal of 166768 is 867661.

It is a congruent number.

It is an unprimeable number.

166768 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 633 + ... + 856.

It is an arithmetic number, because the mean of its divisors is an integer number (18476).

2¹⁶⁶⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

166768 is an abundant number, since it is smaller than the sum of its proper divisors (202752).

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

166768 is a wasteful number, since it uses less digits than its factorization.

166768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504 (or 1498 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 166768 is about 408.3723790856. The cubic root of 166768 is about 55.0432717318.

The spelling of 166768 in words is "one hundred sixty-six thousand, seven hundred sixty-eight".