10516865344 has 56 divisors (see below), whose sum is σ = 21204058176. Its totient is φ = 5174400000.

The previous prime is 10516865323. The next prime is 10516865347. The reversal of 10516865344 is 44356861501.

It is a super-2 number, since 2×10516865344² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10516865344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10516865347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2729019 + ... + 2732869.

It is an arithmetic number, because the mean of its divisors is an integer number (378643896).

Almost surely, 2^10516865344 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 10516865344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10602029088).

10516865344 is an abundant number, since it is smaller than the sum of its proper divisors (10687192832).

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

10516865344 is an equidigital number, since it uses as much as digits as its factorization.

10516865344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535 (or 4525 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 10516865344 in words is "ten billion, five hundred sixteen million, eight hundred sixty-five thousand, three hundred forty-four".