118811666 has 16 divisors (see below), whose sum is σ = 188654400. Its totient is φ = 56022288.

The previous prime is 118811659. The next prime is 118811677. The reversal of 118811666 is 666118811.

It is a Curzon number.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21326 + ... + 26313.

It is an arithmetic number, because the mean of its divisors is an integer number (11790900).

Almost surely, 2^118811666 is an apocalyptic number.

118811666 is a deficient number, since it is larger than the sum of its proper divisors (69842734).

118811666 is a wasteful number, since it uses less digits than its factorization.

118811666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47713.

The product of its digits is 13824, while the sum is 38.

The square root of 118811666 is about 10900.0764217504. The cubic root of 118811666 is about 491.6088530828.

The spelling of 118811666 in words is "one hundred eighteen million, eight hundred eleven thousand, six hundred sixty-six".