118218716 has 48 divisors (see below), whose sum is σ = 258800640. Its totient is φ = 45904320.

The previous prime is 118218707. The next prime is 118218773. The reversal of 118218716 is 617812811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142190 + ... + 143018.

It is an arithmetic number, because the mean of its divisors is an integer number (5391680).

Almost surely, 2^118218716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118218716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129400320).

118218716 is an abundant number, since it is smaller than the sum of its proper divisors (140581924).

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

118218716 is a wasteful number, since it uses less digits than its factorization.

118218716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314 (or 1312 counting only the distinct ones).

The product of its digits is 5376, while the sum is 35.

The square root of 118218716 is about 10872.8430504629. The cubic root of 118218716 is about 490.7896693716.

The spelling of 118218716 in words is "one hundred eighteen million, two hundred eighteen thousand, seven hundred sixteen".