166960 has 20 divisors (see below), whose sum is σ = 388368. Its totient is φ = 66752.

The previous prime is 166949. The next prime is 166967. The reversal of 166960 is 69661.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (166967) by changing a digit.

166960 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, 964 + ... + 1123.

2¹⁶⁶⁹⁶⁰ is an apocalyptic number.

166960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166960 is an abundant number, since it is smaller than the sum of its proper divisors (221408).

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

166960 is a wasteful number, since it uses less digits than its factorization.

166960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100 (or 2094 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 166960 is about 408.6073910247. The cubic root of 166960 is about 55.0643874035.

The spelling of 166960 in words is "one hundred sixty-six thousand, nine hundred sixty".