18716944752 has 240 divisors, whose sum is σ = 61307326080. Its totient is φ = 5475859200.

The previous prime is 18716944747. The next prime is 18716944769. The reversal of 18716944752 is 25744961781.

18716944752 is a `hidden beast` number, since 1 + 8 + 7 + 169 + 4 + 475 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1232727 + ... + 1247817.

It is an arithmetic number, because the mean of its divisors is an integer number (255447192).

Almost surely, 2^18716944752 is an apocalyptic number.

18716944752 is a gapful number since it is divisible by the number (12) 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 18716944752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30653663040).

18716944752 is an abundant number, since it is smaller than the sum of its proper divisors (42590381328).

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

18716944752 is a wasteful number, since it uses less digits than its factorization.

18716944752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15154 (or 15136 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The spelling of 18716944752 in words is "eighteen billion, seven hundred sixteen million, nine hundred forty-four thousand, seven hundred fifty-two".