166476 has 12 divisors (see below), whose sum is σ = 388472. Its totient is φ = 55488.

The previous prime is 166471. The next prime is 166487. The reversal of 166476 is 674661.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (166471) by changing a digit.

166476 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6925 + ... + 6948.

2¹⁶⁶⁴⁷⁶ is an apocalyptic number.

It is an amenable number.

166476 is an abundant number, since it is smaller than the sum of its proper divisors (221996).

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

166476 is a wasteful number, since it uses less digits than its factorization.

166476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13880 (or 13878 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 166476 is about 408.0147056173. The cubic root of 166476 is about 55.0111272252.

It can be divided in two parts, 16647 and 6, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 166476 in words is "one hundred sixty-six thousand, four hundred seventy-six".