166858162 has 8 divisors (see below), whose sum is σ = 265010076. Its totient is φ = 78521472.

The previous prime is 166858147. The next prime is 166858183. The reversal of 166858162 is 261858661.

166858162 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 163098441 + 3759721 = 12771^2 + 1939^2 .

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

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, 2453763 + ... + 2453830.

Almost surely, 2^166858162 is an apocalyptic number.

166858162 is a deficient number, since it is larger than the sum of its proper divisors (98151914).

166858162 is a wasteful number, since it uses less digits than its factorization.

166858162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4907612.

The product of its digits is 138240, while the sum is 43.

The square root of 166858162 is about 12917.3589405884. The cubic root of 166858162 is about 550.5318953648.

The spelling of 166858162 in words is "one hundred sixty-six million, eight hundred fifty-eight thousand, one hundred sixty-two".