18766798848 has 896 divisors, whose sum is σ = 72473149440. Its totient is φ = 4671406080.

The previous prime is 18766798837. The next prime is 18766798849. The reversal of 18766798848 is 84889766781.

It is a tau number, because it is divible by the number of its divisors (896).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18766798849) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 605380593 + ... + 605380623.

Almost surely, 2^18766798848 is an apocalyptic number.

18766798848 is a gapful number since it is divisible by the number (18) 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 18766798848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36236574720).

18766798848 is an abundant number, since it is smaller than the sum of its proper divisors (53706350592).

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

18766798848 is a wasteful number, since it uses less digits than its factorization.

18766798848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 83 counting only the distinct ones).

The product of its digits is 260112384, while the sum is 72.

The spelling of 18766798848 in words is "eighteen billion, seven hundred sixty-six million, seven hundred ninety-eight thousand, eight hundred forty-eight".