118728166 has 8 divisors (see below), whose sum is σ = 178209504. Its totient is φ = 59325000.

The previous prime is 118728161. The next prime is 118728191. The reversal of 118728166 is 661827811.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118728161) 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, 15585 + ... + 21916.

It is an arithmetic number, because the mean of its divisors is an integer number (22276188).

Almost surely, 2^118728166 is an apocalyptic number.

118728166 is a deficient number, since it is larger than the sum of its proper divisors (59481338).

118728166 is a wasteful number, since it uses less digits than its factorization.

118728166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39086.

The product of its digits is 32256, while the sum is 40.

The square root of 118728166 is about 10896.2455001711. The cubic root of 118728166 is about 491.4936596825.

The spelling of 118728166 in words is "one hundred eighteen million, seven hundred twenty-eight thousand, one hundred sixty-six".