8821216630460 has 96 divisors (see below), whose sum is σ = 20182775659200. Its totient is φ = 3219131289600.

The previous prime is 8821216630459. The next prime is 8821216630537. The reversal of 8821216630460 is 640366121288.

It is a congruent number.

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, 10976231 + ... + 11752449.

It is an arithmetic number, because the mean of its divisors is an integer number (210237246450).

Almost surely, 2^{8821216630460} 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 8821216630460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10091387829600).

8821216630460 is an abundant number, since it is smaller than the sum of its proper divisors (11361559028740).

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

8821216630460 is a wasteful number, since it uses less digits than its factorization.

8821216630460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776751 (or 776749 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 8821216630460 in words is "eight trillion, eight hundred twenty-one billion, two hundred sixteen million, six hundred thirty thousand, four hundred sixty".