118683881866 has 32 divisors (see below), whose sum is σ = 199520677440. Its totient is φ = 52479619200.

The previous prime is 118683881837. The next prime is 118683881887. The reversal of 118683881866 is 668188386811.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 118683881798 and 118683881807.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123400 + ... + 502588.

It is an arithmetic number, because the mean of its divisors is an integer number (6235021170).

Almost surely, 2^118683881866 is an apocalyptic number.

118683881866 is a deficient number, since it is larger than the sum of its proper divisors (80836795574).

118683881866 is a wasteful number, since it uses less digits than its factorization.

118683881866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379590.

The product of its digits is 21233664, while the sum is 64.

The spelling of 118683881866 in words is "one hundred eighteen billion, six hundred eighty-three million, eight hundred eighty-one thousand, eight hundred sixty-six".