18850848768 has 140 divisors (see below), whose sum is σ = 56318364630. Its totient is φ = 6283395072.

The previous prime is 18850848761. The next prime is 18850848787. The reversal of 18850848768 is 86784805881.

18850848768 is a `hidden beast` number, since 1 + 88 + 508 + 48 + 7 + 6 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15052345344 + 3798503424 = 122688^2 + 61632^2 .

It is not an unprimeable number, because it can be changed into a prime (18850848761) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 649348 + ... + 677756.

Almost surely, 2^18850848768 is an apocalyptic number.

18850848768 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 18850848768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28159182315).

18850848768 is an abundant number, since it is smaller than the sum of its proper divisors (37467515862).

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

18850848768 is an frugal number, since it uses more digits than its factorization.

18850848768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28447 (or 28414 counting only the distinct ones).

The product of its (nonzero) digits is 27525120, while the sum is 63.

The spelling of 18850848768 in words is "eighteen billion, eight hundred fifty million, eight hundred forty-eight thousand, seven hundred sixty-eight".