118161788724 has 216 divisors, whose sum is σ = 359326146816. Its totient is φ = 32610816000.

The previous prime is 118161788699. The next prime is 118161788737. The reversal of 118161788724 is 427887161811.

118161788724 is a `hidden beast` number, since 1 + 18 + 1 + 617 + 8 + 8 + 7 + 2 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 35050759 + ... + 35054129.

It is an arithmetic number, because the mean of its divisors is an integer number (1663546976).

Almost surely, 2^118161788724 is an apocalyptic number.

118161788724 is a gapful number since it is divisible by the number (14) 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 118161788724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179663073408).

118161788724 is an abundant number, since it is smaller than the sum of its proper divisors (241164358092).

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

118161788724 is a wasteful number, since it uses less digits than its factorization.

118161788724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067 (or 4055 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 54.

The spelling of 118161788724 in words is "one hundred eighteen billion, one hundred sixty-one million, seven hundred eighty-eight thousand, seven hundred twenty-four".