118881668 has 24 divisors (see below), whose sum is σ = 211642368. Its totient is φ = 58418496.

The previous prime is 118881667. The next prime is 118881677. The reversal of 118881668 is 866188811.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (118881667) 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, 111305 + ... + 112367.

It is an arithmetic number, because the mean of its divisors is an integer number (8818432).

Almost surely, 2^118881668 is an apocalyptic number.

It is an amenable number.

118881668 is a deficient number, since it is larger than the sum of its proper divisors (92760700).

118881668 is a wasteful number, since it uses less digits than its factorization.

118881668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523 (or 1521 counting only the distinct ones).

The product of its digits is 147456, while the sum is 47.

The square root of 118881668 is about 10903.2870273143. The cubic root of 118881668 is about 491.7053835769.

The spelling of 118881668 in words is "one hundred eighteen million, eight hundred eighty-one thousand, six hundred sixty-eight".