166327242 has 32 divisors (see below), whose sum is σ = 343949760. Its totient is φ = 53585280.

The previous prime is 166327223. The next prime is 166327243. The reversal of 166327242 is 242723661.

It is not an unprimeable number, because it can be changed into a prime (166327243) 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 15 ways as a sum of consecutive naturals, for example, 23713 + ... + 29915.

It is an arithmetic number, because the mean of its divisors is an integer number (10748430).

Almost surely, 2^166327242 is an apocalyptic number.

166327242 is an abundant number, since it is smaller than the sum of its proper divisors (177622518).

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

166327242 is a wasteful number, since it uses less digits than its factorization.

166327242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6358.

The product of its digits is 24192, while the sum is 33.

The square root of 166327242 is about 12896.7919266770. The cubic root of 166327242 is about 549.9473690685.

The spelling of 166327242 in words is "one hundred sixty-six million, three hundred twenty-seven thousand, two hundred forty-two".