10659538816 has 32 divisors (see below), whose sum is σ = 21968076600. Its totient is φ = 5145982464.

The previous prime is 10659538777. The next prime is 10659538817. The reversal of 10659538816 is 61883595601.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×10659538816² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10659538817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1432110 + ... + 1439533.

Almost surely, 2^10659538816 is an apocalyptic number.

10659538816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10659538816 is an abundant number, since it is smaller than the sum of its proper divisors (11308537784).

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

10659538816 is an equidigital number, since it uses as much as digits as its factorization.

10659538816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871686 (or 2871674 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 10659538816 in words is "ten billion, six hundred fifty-nine million, five hundred thirty-eight thousand, eight hundred sixteen".