10665806928 has 240 divisors, whose sum is σ = 34080104448. Its totient is φ = 2807481600.

The previous prime is 10665806927. The next prime is 10665806947. The reversal of 10665806928 is 82960856601.

It is a super-2 number, since 2×10665806928² (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 (10665806923) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50548743 + ... + 50548953.

Almost surely, 2^10665806928 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 10665806928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17040052224).

10665806928 is an abundant number, since it is smaller than the sum of its proper divisors (23414297520).

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

10665806928 is a wasteful number, since it uses less digits than its factorization.

10665806928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 10665806928 in words is "ten billion, six hundred sixty-five million, eight hundred six thousand, nine hundred twenty-eight".