18706055760 has 300 divisors, whose sum is σ = 75577353588. Its totient is φ = 4275597312.

The previous prime is 18706055749. The next prime is 18706055813. The reversal of 18706055760 is 6755060781.

18706055760 is a `hidden beast` number, since 1 + 8 + 70 + 6 + 0 + 5 + 576 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10059287616 + 8646768144 = 100296^2 + 92988^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 59 ways as a sum of consecutive naturals, for example, 288064 + ... + 346976.

Almost surely, 2^18706055760 is an apocalyptic number.

18706055760 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 18706055760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37788676794).

18706055760 is an abundant number, since it is smaller than the sum of its proper divisors (56871297828).

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

18706055760 is a wasteful number, since it uses less digits than its factorization.

18706055760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58952 (or 58930 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 18706055760 in words is "eighteen billion, seven hundred six million, fifty-five thousand, seven hundred sixty".