166027307 has 4 divisors (see below), whose sum is σ = 168027720. Its totient is φ = 164026896.

The previous prime is 166027297. The next prime is 166027313. The reversal of 166027307 is 703720661.

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 166027307 - 2⁸ = 166027051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166027207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000082 + ... + 1000247.

It is an arithmetic number, because the mean of its divisors is an integer number (42006930).

Almost surely, 2^166027307 is an apocalyptic number.

166027307 is a deficient number, since it is larger than the sum of its proper divisors (2000413).

166027307 is an equidigital number, since it uses as much as digits as its factorization.

166027307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000412.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 166027307 is about 12885.1584002681. The cubic root of 166027307 is about 549.6166000151.

Adding to 166027307 its reverse (703720661), we get a palindrome (869747968).

The spelling of 166027307 in words is "one hundred sixty-six million, twenty-seven thousand, three hundred seven".