166330 has 8 divisors (see below), whose sum is σ = 299412. Its totient is φ = 66528.

The previous prime is 166319. The next prime is 166349. The reversal of 166330 is 33661.

It is a happy number.

166330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 154449 + 11881 = 393^2 + 109^2 .

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

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 166298 and 166307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8307 + ... + 8326.

2¹⁶⁶³³⁰ is an apocalyptic number.

166330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166330 is a deficient number, since it is larger than the sum of its proper divisors (133082).

166330 is a wasteful number, since it uses less digits than its factorization.

166330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16640.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 166330 is about 407.8357512529. The cubic root of 166330 is about 54.9950408752.

Adding to 166330 its reverse (33661), we get a palindrome (199991).

It can be divided in two parts, 166 and 330, that added together give a triangular number (496 = T₃₁).

The spelling of 166330 in words is "one hundred sixty-six thousand, three hundred thirty".