166327146 has 24 divisors (see below), whose sum is σ = 360911460. Its totient is φ = 55359936.

The previous prime is 166327141. The next prime is 166327171. The reversal of 166327146 is 641723661.

It is a happy number.

166327146 is a `hidden beast` number, since 1 + 6 + 632 + 7 + 14 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 162945225 + 3381921 = 12765^2 + 1839^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 166327146.

It is not an unprimeable number, because it can be changed into a prime (166327141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6246 + ... + 19278.

Almost surely, 2^166327146 is an apocalyptic number.

166327146 is an abundant number, since it is smaller than the sum of its proper divisors (194584314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166327146 is a wasteful number, since it uses less digits than its factorization.

166327146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13750 (or 13747 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 166327146 is about 12896.7882048206. The cubic root of 166327146 is about 549.9472632631.

The spelling of 166327146 in words is "one hundred sixty-six million, three hundred twenty-seven thousand, one hundred forty-six".