166930 has 8 divisors (see below), whose sum is σ = 300492. Its totient is φ = 66768.

The previous prime is 166919. The next prime is 166931. The reversal of 166930 is 39661.

It can be written as a sum of positive squares in 2 ways, for example, as 149769 + 17161 = 387^2 + 131^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 166895 and 166904.

It is not an unprimeable number, because it can be changed into a prime (166931) by changing a digit.

166930 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, 8337 + ... + 8356.

2¹⁶⁶⁹³⁰ is an apocalyptic number.

166930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166930 is a deficient number, since it is larger than the sum of its proper divisors (133562).

166930 is a wasteful number, since it uses less digits than its factorization.

166930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16700.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 166930 is about 408.5706793200. The cubic root of 166930 is about 55.0610891472.

The spelling of 166930 in words is "one hundred sixty-six thousand, nine hundred thirty".