118288116 has 36 divisors (see below), whose sum is σ = 306302724. Its totient is φ = 38467200.

The previous prime is 118288099. The next prime is 118288133. The reversal of 118288116 is 611882811.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (118288099) and next prime (118288133).

It can be written as a sum of positive squares in 2 ways, for example, as 21344400 + 96943716 = 4620^2 + 9846^2 .

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38595 + ... + 41546.

It is an arithmetic number, because the mean of its divisors is an integer number (8508409).

Almost surely, 2^118288116 is an apocalyptic number.

It is an amenable number.

118288116 is an abundant number, since it is smaller than the sum of its proper divisors (188014608).

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

118288116 is a wasteful number, since it uses less digits than its factorization.

118288116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80192 (or 80187 counting only the distinct ones).

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

The square root of 118288116 is about 10876.0340198070. The cubic root of 118288116 is about 490.8856895317.

It can be divided in two parts, 1182 and 88116, that added together give a palindrome (89298).

The spelling of 118288116 in words is "one hundred eighteen million, two hundred eighty-eight thousand, one hundred sixteen".