166710660106 has 16 divisors (see below), whose sum is σ = 264783374280. Its totient is φ = 78449817600.

The previous prime is 166710660097. The next prime is 166710660163. The reversal of 166710660106 is 601066017661.

It can be written as a sum of positive squares in 4 ways, for example, as 158567222025 + 8143438081 = 398205^2 + 90241^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2065306 + ... + 2144506.

Almost surely, 2^166710660106 is an apocalyptic number.

166710660106 is a deficient number, since it is larger than the sum of its proper divisors (98072714174).

166710660106 is a wasteful number, since it uses less digits than its factorization.

166710660106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141129.

The product of its (nonzero) digits is 54432, while the sum is 40.

Adding to 166710660106 its reverse (601066017661), we get a palindrome (767776677767).

The spelling of 166710660106 in words is "one hundred sixty-six billion, seven hundred ten million, six hundred sixty thousand, one hundred six".