10565001616 has 80 divisors (see below), whose sum is σ = 22940406720. Its totient is φ = 4681797120.

The previous prime is 10565001589. The next prime is 10565001617. The reversal of 10565001616 is 61610056501.

It is a super-2 number, since 2×10565001616² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10565001617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517686 + ... + 537706.

It is an arithmetic number, because the mean of its divisors is an integer number (286755084).

Almost surely, 2^10565001616 is an apocalyptic number.

10565001616 is a gapful number since it is divisible by the number (16) 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 10565001616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11470203360).

10565001616 is an abundant number, since it is smaller than the sum of its proper divisors (12375405104).

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

10565001616 is a wasteful number, since it uses less digits than its factorization.

10565001616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20144 (or 20138 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 10565001616 in words is "ten billion, five hundred sixty-five million, one thousand, six hundred sixteen".