10516320064 has 56 divisors (see below), whose sum is σ = 21190232448. Its totient is φ = 5177249280.

The previous prime is 10516320019. The next prime is 10516320149. The reversal of 10516320064 is 46002361501.

It is a super-2 number, since 2×10516320064² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6210802 + ... + 6212494.

It is an arithmetic number, because the mean of its divisors is an integer number (378397008).

Almost surely, 2^10516320064 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 10516320064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10595116224).

10516320064 is an abundant number, since it is smaller than the sum of its proper divisors (10673912384).

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

10516320064 is a wasteful number, since it uses less digits than its factorization.

10516320064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143 (or 3133 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 10516320064 its reverse (46002361501), we get a palindrome (56518681565).

The spelling of 10516320064 in words is "ten billion, five hundred sixteen million, three hundred twenty thousand, sixty-four".