118173312 has 96 divisors (see below), whose sum is σ = 358020000. Its totient is φ = 37310976.

The previous prime is 118173299. The next prime is 118173313. The reversal of 118173312 is 213371811.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (118173313) 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 11 ways as a sum of consecutive naturals, for example, 19189 + ... + 24587.

It is an arithmetic number, because the mean of its divisors is an integer number (3729375).

Almost surely, 2^118173312 is an apocalyptic number.

118173312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118173312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179010000).

118173312 is an abundant number, since it is smaller than the sum of its proper divisors (239846688).

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

118173312 is a wasteful number, since it uses less digits than its factorization.

118173312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438 (or 5423 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 118173312 is about 10870.7548955903. The cubic root of 118173312 is about 490.7268291594.

It can be divided in two parts, 11817 and 3312, that added together give a square (15129 = 123²).

The spelling of 118173312 in words is "one hundred eighteen million, one hundred seventy-three thousand, three hundred twelve".