118445216 has 36 divisors (see below), whose sum is σ = 243803322. Its totient is φ = 56639616.

The previous prime is 118445209. The next prime is 118445219. The reversal of 118445216 is 612544811.

It can be written as a sum of positive squares in only one way, i.e., 108076816 + 10368400 = 10396^2 + 3220^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (118445219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13430 + ... + 20426.

Almost surely, 2^118445216 is an apocalyptic number.

118445216 is a gapful number since it is divisible by the number (16) 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 118445216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121901661).

118445216 is an abundant number, since it is smaller than the sum of its proper divisors (125358106).

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

118445216 is an equidigital number, since it uses as much as digits as its factorization.

118445216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7053 (or 7022 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 118445216 is about 10883.2539251825. The cubic root of 118445216 is about 491.1029106386.

The spelling of 118445216 in words is "one hundred eighteen million, four hundred forty-five thousand, two hundred sixteen".