118449216 has 140 divisors (see below), whose sum is σ = 357067612. Its totient is φ = 38817792.

The previous prime is 118449209. The next prime is 118449239. The reversal of 118449216 is 612944811.

It can be written as a sum of positive squares in 2 ways, for example, as 23970816 + 94478400 = 4896^2 + 9720^2 .

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 378276 + ... + 378588.

Almost surely, 2^118449216 is an apocalyptic number.

118449216 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 118449216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178533806).

118449216 is an abundant number, since it is smaller than the sum of its proper divisors (238618396).

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

118449216 is an equidigital number, since it uses as much as digits as its factorization.

118449216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 391 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 118449216 is about 10883.4376922000. The cubic root of 118449216 is about 491.1084389033.

The spelling of 118449216 in words is "one hundred eighteen million, four hundred forty-nine thousand, two hundred sixteen".