118337329728 has 168 divisors, whose sum is σ = 370269637920. Its totient is φ = 37369589760.

The previous prime is 118337329711. The next prime is 118337329741. The reversal of 118337329728 is 827923733811.

118337329728 is a `hidden beast` number, since 1 + 18 + 337 + 3 + 297 + 2 + 8 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95248 + ... + 495728.

It is an arithmetic number, because the mean of its divisors is an integer number (2203985940).

Almost surely, 2^118337329728 is an apocalyptic number.

118337329728 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 118337329728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185134818960).

118337329728 is an abundant number, since it is smaller than the sum of its proper divisors (251932308192).

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

118337329728 is an equidigital number, since it uses as much as digits as its factorization.

118337329728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400527 (or 400505 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 118337329728 in words is "one hundred eighteen billion, three hundred thirty-seven million, three hundred twenty-nine thousand, seven hundred twenty-eight".