118543668 has 24 divisors (see below), whose sum is σ = 276948672. Its totient is φ = 39465024.

The previous prime is 118543637. The next prime is 118543673. The reversal of 118543668 is 866345811.

It is a congruent number.

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, 4521 + ... + 16047.

It is an arithmetic number, because the mean of its divisors is an integer number (11539528).

Almost surely, 2^118543668 is an apocalyptic number.

It is an amenable number.

118543668 is an abundant number, since it is smaller than the sum of its proper divisors (158405004).

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

118543668 is a wasteful number, since it uses less digits than its factorization.

118543668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12391 (or 12389 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 118543668 is about 10887.7760814594. The cubic root of 118543668 is about 491.2389416672.

The spelling of 118543668 in words is "one hundred eighteen million, five hundred forty-three thousand, six hundred sixty-eight".