166382170 has 8 divisors (see below), whose sum is σ = 299487924. Its totient is φ = 66552864.

The previous prime is 166382143. The next prime is 166382171. The reversal of 166382170 is 71283661.

166382170 is digitally balanced in base 3, 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 137663289 + 28718881 = 11733^2 + 5359^2 .

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

It is not an unprimeable number, because it can be changed into a prime (166382171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8319099 + ... + 8319118.

Almost surely, 2^166382170 is an apocalyptic number.

166382170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166382170 is a deficient number, since it is larger than the sum of its proper divisors (133105754).

166382170 is a wasteful number, since it uses less digits than its factorization.

166382170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16638224.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 166382170 is about 12898.9212727266. The cubic root of 166382170 is about 550.0079007130.

The spelling of 166382170 in words is "one hundred sixty-six million, three hundred eighty-two thousand, one hundred seventy".