18816184608 has 192 divisors, whose sum is σ = 55731110400. Its totient is φ = 5518356480.

The previous prime is 18816184589. The next prime is 18816184643. The reversal of 18816184608 is 80648161881.

It is a super-2 number, since 2×18816184608² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2855878 + ... + 2862458.

It is an arithmetic number, because the mean of its divisors is an integer number (290266200).

Almost surely, 2^18816184608 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 18816184608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27865555200).

18816184608 is an abundant number, since it is smaller than the sum of its proper divisors (36914925792).

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

18816184608 is a wasteful number, since it uses less digits than its factorization.

18816184608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6715 (or 6707 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 51.

The spelling of 18816184608 in words is "eighteen billion, eight hundred sixteen million, one hundred eighty-four thousand, six hundred eight".