8881441668 has 240 divisors, whose sum is σ = 26585121024. Its totient is φ = 2561103360.

The previous prime is 8881441637. The next prime is 8881441711. The reversal of 8881441668 is 8661441888.

It is a happy number.

It is a super-2 number, since 2×8881441668² (a number of 21 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6197080 + ... + 6198512.

Almost surely, 2^8881441668 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 8881441668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13292560512).

8881441668 is an abundant number, since it is smaller than the sum of its proper divisors (17703679356).

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

8881441668 is a wasteful number, since it uses less digits than its factorization.

8881441668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544 (or 1533 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 54.

The square root of 8881441668 is about 94241.4010294839. The cubic root of 8881441668 is about 2070.9096694968.

The spelling of 8881441668 in words is "eight billion, eight hundred eighty-one million, four hundred forty-one thousand, six hundred sixty-eight".