118611648 has 112 divisors (see below), whose sum is σ = 353324160. Its totient is φ = 39013632.

The previous prime is 118611643. The next prime is 118611659. The reversal of 118611648 is 846116811.

118611648 is a `hidden beast` number, since 1 + 1 + 8 + 6 + 1 + 1 + 648 = 666.

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 not an unprimeable number, because it can be changed into a prime (118611643) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 143011 + ... + 143837.

It is an arithmetic number, because the mean of its divisors is an integer number (3154680).

Almost surely, 2^118611648 is an apocalyptic number.

118611648 is a gapful number since it is divisible by the number (18) 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 118611648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176662080).

118611648 is an abundant number, since it is smaller than the sum of its proper divisors (234712512).

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

118611648 is an equidigital number, since it uses as much as digits as its factorization.

118611648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931 (or 915 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 118611648 is about 10890.8974836787. The cubic root of 118611648 is about 491.3328256128.

The spelling of 118611648 in words is "one hundred eighteen million, six hundred eleven thousand, six hundred forty-eight".