166116327 has 32 divisors (see below), whose sum is σ = 251328000. Its totient is φ = 96826752.

The previous prime is 166116317. The next prime is 166116331. The reversal of 166116327 is 723611661.

It is not a de Polignac number, because 166116327 - 2²² = 161922023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166116317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96924 + ... + 98622.

It is an arithmetic number, because the mean of its divisors is an integer number (7854000).

Almost surely, 2^166116327 is an apocalyptic number.

166116327 is a deficient number, since it is larger than the sum of its proper divisors (85211673).

166116327 is a wasteful number, since it uses less digits than its factorization.

166116327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847.

The product of its digits is 9072, while the sum is 33.

The square root of 166116327 is about 12888.6122992353. The cubic root of 166116327 is about 549.7148130315.

Adding to 166116327 its reverse (723611661), we get a palindrome (889727988).

The spelling of 166116327 in words is "one hundred sixty-six million, one hundred sixteen thousand, three hundred twenty-seven".