116631166 has 8 divisors (see below), whose sum is σ = 175644504. Its totient is φ = 58083000.

The previous prime is 116631161. The next prime is 116631167. The reversal of 116631166 is 661136611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116631161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115665 + ... + 116668.

It is an arithmetic number, because the mean of its divisors is an integer number (21955563).

Almost surely, 2^116631166 is an apocalyptic number.

116631166 is a deficient number, since it is larger than the sum of its proper divisors (59013338).

116631166 is a wasteful number, since it uses less digits than its factorization.

116631166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232586.

The product of its digits is 3888, while the sum is 31.

The square root of 116631166 is about 10799.5910107744. The cubic root of 116631166 is about 488.5828357141.

Adding to 116631166 its reverse (661136611), we get a palindrome (777767777).

Subtracting 116631166 from its reverse (661136611), we obtain a palindrome (544505445).

The spelling of 116631166 in words is "one hundred sixteen million, six hundred thirty-one thousand, one hundred sixty-six".