118163712 has 72 divisors (see below), whose sum is σ = 320531904. Its totient is φ = 38631424.

The previous prime is 118163711. The next prime is 118163729. The reversal of 118163712 is 217361811.

It is a self number, because there is not a number n which added to its sum of digits gives 118163712.

It is not an unprimeable number, because it can be changed into a prime (118163711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39253 + ... + 42155.

It is an arithmetic number, because the mean of its divisors is an integer number (4451832).

Almost surely, 2^118163712 is an apocalyptic number.

118163712 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 118163712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160265952).

118163712 is an abundant number, since it is smaller than the sum of its proper divisors (202368192).

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

118163712 is an equidigital number, since it uses as much as digits as its factorization.

118163712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975 (or 2961 counting only the distinct ones).

The product of its digits is 2016, while the sum is 30.

The square root of 118163712 is about 10870.3133349504. The cubic root of 118163712 is about 490.7135404705.

The spelling of 118163712 in words is "one hundred eighteen million, one hundred sixty-three thousand, seven hundred twelve".