18676306944 has 176 divisors, whose sum is σ = 55489093440. Its totient is φ = 6205317120.

The previous prime is 18676306931. The next prime is 18676306949. The reversal of 18676306944 is 44960367681.

18676306944 is a `hidden beast` number, since 186 + 76 + 306 + 94 + 4 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18676306949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10311799 + ... + 10313609.

It is an arithmetic number, because the mean of its divisors is an integer number (315278940).

Almost surely, 2^18676306944 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 18676306944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27744546720).

18676306944 is an abundant number, since it is smaller than the sum of its proper divisors (36812786496).

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

18676306944 is a wasteful number, since it uses less digits than its factorization.

18676306944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213 (or 2189 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 18676306944 in words is "eighteen billion, six hundred seventy-six million, three hundred six thousand, nine hundred forty-four".