118628172 has 96 divisors (see below), whose sum is σ = 348723200. Its totient is φ = 34572096.

The previous prime is 118628143. The next prime is 118628197. The reversal of 118628172 is 271826811.

118628172 is a `hidden beast` number, since 1 + 18 + 628 + 17 + 2 = 666.

It is a super-3 number, since 3×118628172³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24453 + ... + 28899.

Almost surely, 2^118628172 is an apocalyptic number.

118628172 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 118628172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174361600).

118628172 is an abundant number, since it is smaller than the sum of its proper divisors (230095028).

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

118628172 is a wasteful number, since it uses less digits than its factorization.

118628172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4492 (or 4484 counting only the distinct ones).

The product of its digits is 10752, while the sum is 36.

The square root of 118628172 is about 10891.6560724253. The cubic root of 118628172 is about 491.3556407038.

The spelling of 118628172 in words is "one hundred eighteen million, six hundred twenty-eight thousand, one hundred seventy-two".