10326565660 has 12 divisors (see below), whose sum is σ = 21685787928. Its totient is φ = 4130626256.

The previous prime is 10326565649. The next prime is 10326565679. The reversal of 10326565660 is 6656562301.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258164122 + ... + 258164161.

It is an arithmetic number, because the mean of its divisors is an integer number (1807148994).

Almost surely, 2^10326565660 is an apocalyptic number.

10326565660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10326565660 is an abundant number, since it is smaller than the sum of its proper divisors (11359222268).

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

10326565660 is a wasteful number, since it uses less digits than its factorization.

10326565660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516328292 (or 516328290 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 10326565660 in words is "ten billion, three hundred twenty-six million, five hundred sixty-five thousand, six hundred sixty".