118211968 has 32 divisors (see below), whose sum is σ = 269145360. Its totient is φ = 50661888.

The previous prime is 118211953. The next prime is 118211969. The reversal of 118211968 is 869112811.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118211969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65071 + ... + 66862.

Almost surely, 2^118211968 is an apocalyptic number.

It is an amenable number.

118211968 is an abundant number, since it is smaller than the sum of its proper divisors (150933392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118211968 is an equidigital number, since it uses as much as digits as its factorization.

118211968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131954 (or 131942 counting only the distinct ones).

The product of its digits is 6912, while the sum is 37.

The square root of 118211968 is about 10872.5327316132. The cubic root of 118211968 is about 490.7803309977.

The spelling of 118211968 in words is "one hundred eighteen million, two hundred eleven thousand, nine hundred sixty-eight".