118156320 has 168 divisors, whose sum is σ = 418938156. Its totient is φ = 31477248.

The previous prime is 118156319. The next prime is 118156321. The reversal of 118156320 is 23651811.

118156320 is a `hidden beast` number, since 1 + 1 + 81 + 563 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (118156319) and next prime (118156321).

It can be written as a sum of positive squares in 2 ways, for example, as 96589584 + 21566736 = 9828^2 + 4644^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (118156321) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 116134 + ... + 117146.

Almost surely, 2^118156320 is an apocalyptic number.

118156320 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 118156320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209469078).

118156320 is an abundant number, since it is smaller than the sum of its proper divisors (300781836).

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

118156320 is an equidigital number, since it uses as much as digits as its factorization.

118156320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 118156320 is about 10869.9733210344. The cubic root of 118156320 is about 490.7033076896.

The spelling of 118156320 in words is "one hundred eighteen million, one hundred fifty-six thousand, three hundred twenty".