166412116 has 24 divisors (see below), whose sum is σ = 332073000. Its totient is φ = 72287232.

The previous prime is 166412069. The next prime is 166412149. The reversal of 166412116 is 611214661.

It can be written as a sum of positive squares in 4 ways, for example, as 2116 + 166410000 = 46^2 + 12900^2 .

It is a congruent number.

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, 93241 + ... + 95008.

It is an arithmetic number, because the mean of its divisors is an integer number (13836375).

Almost surely, 2^166412116 is an apocalyptic number.

It is an amenable number.

166412116 is a deficient number, since it is larger than the sum of its proper divisors (165660884).

166412116 is a wasteful number, since it uses less digits than its factorization.

166412116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188283 (or 188281 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 166412116 is about 12900.0820152432. The cubic root of 166412116 is about 550.0408961326.

Adding to 166412116 its reverse (611214661), we get a palindrome (777626777).

It can be divided in two parts, 16641 and 2116, that multiplied together give a square (35212356 = 5934²).

The spelling of 166412116 in words is "one hundred sixty-six million, four hundred twelve thousand, one hundred sixteen".