8821881239616 has 224 divisors, whose sum is σ = 26529084538880. Its totient is φ = 2873923379712.

The previous prime is 8821881239593. The next prime is 8821881239659. The reversal of 8821881239616 is 6169321881288.

8821881239616 is a `hidden beast` number, since 8 + 8 + 2 + 1 + 8 + 8 + 1 + 2 + 3 + 9 + 616 = 666.

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

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, 14403561 + ... + 15003543.

It is an arithmetic number, because the mean of its divisors is an integer number (118433413120).

Almost surely, 2^{8821881239616} 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 8821881239616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13264542269440).

8821881239616 is an abundant number, since it is smaller than the sum of its proper divisors (17707203299264).

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

8821881239616 is a wasteful number, since it uses less digits than its factorization.

8821881239616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600198 (or 600182 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 63.

The spelling of 8821881239616 in words is "eight trillion, eight hundred twenty-one billion, eight hundred eighty-one million, two hundred thirty-nine thousand, six hundred sixteen".