116171666 has 16 divisors (see below), whose sum is σ = 195822144. Its totient is φ = 51286224.

The previous prime is 116171641. The next prime is 116171669. The reversal of 116171666 is 666171611.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (116171669) 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, 96536 + ... + 97731.

It is an arithmetic number, because the mean of its divisors is an integer number (12238884).

Almost surely, 2^116171666 is an apocalyptic number.

116171666 is a deficient number, since it is larger than the sum of its proper divisors (79650478).

116171666 is a wasteful number, since it uses less digits than its factorization.

116171666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194305.

The product of its digits is 9072, while the sum is 35.

The square root of 116171666 is about 10778.2960619942. The cubic root of 116171666 is about 487.9403565241.

Subtracting 116171666 from its reverse (666171611), we obtain a palindrome (549999945).

It can be divided in two parts, 1161 and 71666, that added together give a palindrome (72827).

The spelling of 116171666 in words is "one hundred sixteen million, one hundred seventy-one thousand, six hundred sixty-six".