166629 has 8 divisors (see below), whose sum is σ = 225760. Its totient is φ = 109296.

The previous prime is 166627. The next prime is 166631. The reversal of 166629 is 926661.

166629 is nontrivially palindromic in base 6.

166629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (166627) and next prime (166631).

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

It is not a de Polignac number, because 166629 - 2¹ = 166627 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 166596 and 166605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214 + ... + 615.

It is an arithmetic number, because the mean of its divisors is an integer number (28220).

2¹⁶⁶⁶²⁹ is an apocalyptic number.

It is an amenable number.

166629 is a deficient number, since it is larger than the sum of its proper divisors (59131).

166629 is an equidigital number, since it uses as much as digits as its factorization.

166629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899.

The product of its digits is 3888, while the sum is 30.

The square root of 166629 is about 408.2021558003. The cubic root of 166629 is about 55.0279747495.

The spelling of 166629 in words is "one hundred sixty-six thousand, six hundred twenty-nine".