118643760 has 120 divisors (see below), whose sum is σ = 400420800. Its totient is φ = 31481856.

The previous prime is 118643717. The next prime is 118643773. The reversal of 118643760 is 67346811.

118643760 is a `hidden beast` number, since 1 + 1 + 8 + 643 + 7 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 264016 + ... + 264464.

It is an arithmetic number, because the mean of its divisors is an integer number (3336840).

Almost surely, 2^118643760 is an apocalyptic number.

118643760 is a gapful number since it is divisible by the number (10) 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 118643760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200210400).

118643760 is an abundant number, since it is smaller than the sum of its proper divisors (281777040).

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

118643760 is a wasteful number, since it uses less digits than its factorization.

118643760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 118643760 is about 10892.3716425763. The cubic root of 118643760 is about 491.3771614947.

The spelling of 118643760 in words is "one hundred eighteen million, six hundred forty-three thousand, seven hundred sixty".