118160640 has 288 divisors, whose sum is σ = 453277440. Its totient is φ = 28975104.

The previous prime is 118160621. The next prime is 118160663. The reversal of 118160640 is 46061811.

118160640 is a `hidden beast` number, since 1 + 1 + 8 + 16 + 0 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 449149 + ... + 449411.

It is an arithmetic number, because the mean of its divisors is an integer number (1573880).

Almost surely, 2^118160640 is an apocalyptic number.

118160640 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 118160640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226638720).

118160640 is an abundant number, since it is smaller than the sum of its proper divisors (335116800).

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

118160640 is a wasteful number, since it uses less digits than its factorization.

118160640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 118160640 is about 10870.1720317574. The cubic root of 118160640 is about 490.7092879381.

The spelling of 118160640 in words is "one hundred eighteen million, one hundred sixty thousand, six hundred forty".