166484 has 6 divisors (see below), whose sum is σ = 291354. Its totient is φ = 83240.

The previous prime is 166471. The next prime is 166487. The reversal of 166484 is 484661.

166484 = T₂₀₀ + T₂₀₁ + ... + T₂₀₇.

It can be written as a sum of positive squares in only one way, i.e., 136900 + 29584 = 370^2 + 172^2 .

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166487) by changing a digit.

166484 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 as a sum of consecutive naturals, namely, 20807 + ... + 20814.

It is an arithmetic number, because the mean of its divisors is an integer number (48559).

2¹⁶⁶⁴⁸⁴ is an apocalyptic number.

It is an amenable number.

166484 is a deficient number, since it is larger than the sum of its proper divisors (124870).

166484 is a wasteful number, since it uses less digits than its factorization.

166484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41625 (or 41623 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 166484 is about 408.0245090678. The cubic root of 166484 is about 55.0120083972.

The spelling of 166484 in words is "one hundred sixty-six thousand, four hundred eighty-four".