118518516 has 36 divisors (see below), whose sum is σ = 300928992. Its totient is φ = 39329424.

The previous prime is 118518481. The next prime is 118518539. The reversal of 118518516 is 615815811.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 921 + ... + 15423.

Almost surely, 2^118518516 is an apocalyptic number.

It is an amenable number.

118518516 is an abundant number, since it is smaller than the sum of its proper divisors (182410476).

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

118518516 is a wasteful number, since it uses less digits than its factorization.

118518516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14740 (or 14735 counting only the distinct ones).

The product of its digits is 9600, while the sum is 36.

The square root of 118518516 is about 10886.6209633660. The cubic root of 118518516 is about 491.2041963394.

It can be divided in two parts, 1185 and 18516, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 118518516 in words is "one hundred eighteen million, five hundred eighteen thousand, five hundred sixteen".