118818816 has 96 divisors (see below), whose sum is σ = 321965280. Its totient is φ = 38961152.

The previous prime is 118818811. The next prime is 118818839. The reversal of 118818816 is 618818811.

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

It is a super-2 number, since 2×118818816² = 28235822071283712, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118818811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509836 + ... + 510068.

It is an arithmetic number, because the mean of its divisors is an integer number (3353805).

Almost surely, 2^118818816 is an apocalyptic number.

118818816 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 118818816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160982640).

118818816 is an abundant number, since it is smaller than the sum of its proper divisors (203146464).

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

118818816 is an equidigital number, since it uses as much as digits as its factorization.

118818816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 321 counting only the distinct ones).

The product of its digits is 24576, while the sum is 42.

The square root of 118818816 is about 10900.4043961681. The cubic root of 118818816 is about 491.6187144398.

The spelling of 118818816 in words is "one hundred eighteen million, eight hundred eighteen thousand, eight hundred sixteen".