118885566 has 8 divisors (see below), whose sum is σ = 237771144. Its totient is φ = 39628520.

The previous prime is 118885561. The next prime is 118885681. The reversal of 118885566 is 665588811.

It is a sphenic number, since it is the product of 3 distinct primes.

118885566 is an admirable number.

It is a Curzon number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118885561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9907125 + ... + 9907136.

It is an arithmetic number, because the mean of its divisors is an integer number (29721393).

Almost surely, 2^118885566 is an apocalyptic number.

118885566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

118885566 is a wasteful number, since it uses less digits than its factorization.

118885566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19814266.

The product of its digits is 460800, while the sum is 48.

The square root of 118885566 is about 10903.4657792832. The cubic root of 118885566 is about 491.7107576789.

The spelling of 118885566 in words is "one hundred eighteen million, eight hundred eighty-five thousand, five hundred sixty-six".