10566565660 has 48 divisors (see below), whose sum is σ = 25665325056. Its totient is φ = 3579170112.

The previous prime is 10566565651. The next prime is 10566565663. The reversal of 10566565660 is 6656566501.

It is a super-2 number, since 2×10566565660² (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 10566565660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10566565663) 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, 443052 + ... + 466291.

It is an arithmetic number, because the mean of its divisors is an integer number (534694272).

Almost surely, 2^10566565660 is an apocalyptic number.

10566565660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10566565660 is an abundant number, since it is smaller than the sum of its proper divisors (15098759396).

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

10566565660 is a wasteful number, since it uses less digits than its factorization.

10566565660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909442 (or 909440 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 10566565660 in words is "ten billion, five hundred sixty-six million, five hundred sixty-five thousand, six hundred sixty".