123316166 has 16 divisors (see below), whose sum is σ = 187005456. Its totient is φ = 60984576.

The previous prime is 123316163. The next prime is 123316177. The reversal of 123316166 is 661613321.

It is a happy number.

123316166 is nontrivially palindromic in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123316163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94430 + ... + 95726.

It is an arithmetic number, because the mean of its divisors is an integer number (11687841).

Almost surely, 2^123316166 is an apocalyptic number.

123316166 is a deficient number, since it is larger than the sum of its proper divisors (63689290).

123316166 is a wasteful number, since it uses less digits than its factorization.

123316166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783.

The product of its digits is 3888, while the sum is 29.

The square root of 123316166 is about 11104.7812225185. The cubic root of 123316166 is about 497.7447308163.

Adding to 123316166 its reverse (661613321), we get a palindrome (784929487).

It can be divided in two parts, 12331 and 6166, that multiplied together give a triangular number (76032946 = T₁₂₃₃₁).

The spelling of 123316166 in words is "one hundred twenty-three million, three hundred sixteen thousand, one hundred sixty-six".