166711327 has 4 divisors (see below), whose sum is σ = 167928336. Its totient is φ = 165494320.

The previous prime is 166711261. The next prime is 166711331. The reversal of 166711327 is 723117661.

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 166711327 - 2¹⁵ = 166678559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166711292 and 166711301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166711627) 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, 608299 + ... + 608572.

It is an arithmetic number, because the mean of its divisors is an integer number (41982084).

Almost surely, 2^166711327 is an apocalyptic number.

166711327 is a deficient number, since it is larger than the sum of its proper divisors (1217009).

166711327 is a wasteful number, since it uses less digits than its factorization.

166711327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217008.

The product of its digits is 10584, while the sum is 34.

The square root of 166711327 is about 12911.6740587733. The cubic root of 166711327 is about 550.3703588164.

Adding to 166711327 its reverse (723117661), we get a palindrome (889828988).

The spelling of 166711327 in words is "one hundred sixty-six million, seven hundred eleven thousand, three hundred twenty-seven".