2816281534668 has 96 divisors (see below), whose sum is σ = 7638873919488. Its totient is φ = 790921454400.

The previous prime is 2816281534667. The next prime is 2816281534687. The reversal of 2816281534668 is 8664351826182.

It is not an unprimeable number, because it can be changed into a prime (2816281534667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1260771 + ... + 2687397.

It is an arithmetic number, because the mean of its divisors is an integer number (79571603328).

Almost surely, 2^{2816281534668} is an apocalyptic number.

2816281534668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2816281534668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3819436959744).

2816281534668 is an abundant number, since it is smaller than the sum of its proper divisors (4822592384820).

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

2816281534668 is a wasteful number, since it uses less digits than its factorization.

2816281534668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427043 (or 1427041 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 60.

The spelling of 2816281534668 in words is "two trillion, eight hundred sixteen billion, two hundred eighty-one million, five hundred thirty-four thousand, six hundred sixty-eight".