166327327 has 4 divisors (see below), whose sum is σ = 167881896. Its totient is φ = 164772760.

The previous prime is 166327309. The next prime is 166327331. The reversal of 166327327 is 723723661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 166327327 - 2⁷ = 166327199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166327367) 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 3 ways as a sum of consecutive naturals, for example, 777124 + ... + 777337.

It is an arithmetic number, because the mean of its divisors is an integer number (41970474).

Almost surely, 2^166327327 is an apocalyptic number.

166327327 is a deficient number, since it is larger than the sum of its proper divisors (1554569).

166327327 is a wasteful number, since it uses less digits than its factorization.

166327327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554568.

The product of its digits is 63504, while the sum is 37.

The square root of 166327327 is about 12896.7952220697. The cubic root of 166327327 is about 549.9474627503.

The spelling of 166327327 in words is "one hundred sixty-six million, three hundred twenty-seven thousand, three hundred twenty-seven".