116211166 has 16 divisors (see below), whose sum is σ = 178649856. Its totient is φ = 56669976.

The previous prime is 116211143. The next prime is 116211169. The reversal of 116211166 is 661112611.

It is a self number, because there is not a number n which added to its sum of digits gives 116211166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116211169) 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 7 ways as a sum of consecutive naturals, for example, 26845 + ... + 30871.

It is an arithmetic number, because the mean of its divisors is an integer number (11165616).

Almost surely, 2^116211166 is an apocalyptic number.

116211166 is a deficient number, since it is larger than the sum of its proper divisors (62438690).

116211166 is a wasteful number, since it uses less digits than its factorization.

116211166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383.

The product of its digits is 432, while the sum is 25.

The square root of 116211166 is about 10780.1282923720. The cubic root of 116211166 is about 487.9956524516.

Adding to 116211166 its reverse (661112611), we get a palindrome (777323777).

The spelling of 116211166 in words is "one hundred sixteen million, two hundred eleven thousand, one hundred sixty-six".