10556500660 has 24 divisors (see below), whose sum is σ = 22544393760. Its totient is φ = 4151030304.

The previous prime is 10556500657. The next prime is 10556500679. The reversal of 10556500660 is 6600565501.

It is a super-2 number, since 2×10556500660² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4471914 + ... + 4474273.

It is an arithmetic number, because the mean of its divisors is an integer number (939349740).

Almost surely, 2^10556500660 is an apocalyptic number.

10556500660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10556500660 is an abundant number, since it is smaller than the sum of its proper divisors (11987893100).

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

10556500660 is a wasteful number, since it uses less digits than its factorization.

10556500660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8946255 (or 8946253 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 10556500660 in words is "ten billion, five hundred fifty-six million, five hundred thousand, six hundred sixty".