10867221568 has 84 divisors (see below), whose sum is σ = 25218127872. Its totient is φ = 4632741120.

The previous prime is 10867221509. The next prime is 10867221571. The reversal of 10867221568 is 86512276801.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 589905 + ... + 608047.

It is an arithmetic number, because the mean of its divisors is an integer number (300215808).

Almost surely, 2^10867221568 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 10867221568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12609063936).

10867221568 is an abundant number, since it is smaller than the sum of its proper divisors (14350906304).

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

10867221568 is a wasteful number, since it uses less digits than its factorization.

10867221568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18360 (or 18343 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 10867221568 in words is "ten billion, eight hundred sixty-seven million, two hundred twenty-one thousand, five hundred sixty-eight".