18846053688 has 128 divisors (see below), whose sum is σ = 58786560000. Its totient is φ = 4891278720.

The previous prime is 18846053657. The next prime is 18846053689. The reversal of 18846053688 is 88635064881.

It is a happy number.

It is a super-2 number, since 2×18846053688² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18846053689) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2988763 + ... + 2995061.

It is an arithmetic number, because the mean of its divisors is an integer number (459270000).

Almost surely, 2^18846053688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18846053688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29393280000).

18846053688 is an abundant number, since it is smaller than the sum of its proper divisors (39940506312).

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

18846053688 is a wasteful number, since it uses less digits than its factorization.

18846053688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7945 (or 7941 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 57.

The spelling of 18846053688 in words is "eighteen billion, eight hundred forty-six million, fifty-three thousand, six hundred eighty-eight".