118812816 has 60 divisors (see below), whose sum is σ = 333369660. Its totient is φ = 39502080.

The previous prime is 118812791. The next prime is 118812817. The reversal of 118812816 is 618218811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 94012416 + 24800400 = 9696^2 + 4980^2 .

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118812817) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 72486 + ... + 74106.

It is an arithmetic number, because the mean of its divisors is an integer number (5556161).

Almost surely, 2^118812816 is an apocalyptic number.

118812816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

118812816 is an abundant number, since it is smaller than the sum of its proper divisors (214556844).

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

118812816 is a wasteful number, since it uses less digits than its factorization.

118812816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144 (or 2135 counting only the distinct ones).

The product of its digits is 6144, while the sum is 36.

The square root of 118812816 is about 10900.1291735465. The cubic root of 118812816 is about 491.6104392019.

The spelling of 118812816 in words is "one hundred eighteen million, eight hundred twelve thousand, eight hundred sixteen".