18540068760 has 192 divisors, whose sum is σ = 63910360800. Its totient is φ = 4645122048.

The previous prime is 18540068719. The next prime is 18540068779. The reversal of 18540068760 is 6786004581.

It is a happy number.

18540068760 is a `hidden beast` number, since 185 + 400 + 6 + 8 + 7 + 60 = 666.

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 47 ways as a sum of consecutive naturals, for example, 4030782 + ... + 4035378.

Almost surely, 2^18540068760 is an apocalyptic number.

18540068760 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 18540068760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31955180400).

18540068760 is an abundant number, since it is smaller than the sum of its proper divisors (45370292040).

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

18540068760 is a wasteful number, since it uses less digits than its factorization.

18540068760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5290 (or 5283 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 18540068760 in words is "eighteen billion, five hundred forty million, sixty-eight thousand, seven hundred sixty".