2203566660 has 48 divisors (see below), whose sum is σ = 6855542400. Its totient is φ = 587617632.

The previous prime is 2203566649. The next prime is 2203566697. The reversal of 2203566660 is 666653022.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2039800 + ... + 2040879.

It is an arithmetic number, because the mean of its divisors is an integer number (142823800).

Almost surely, 2^2203566660 is an apocalyptic number.

2203566660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2203566660 is an abundant number, since it is smaller than the sum of its proper divisors (4651975740).

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

2203566660 is a wasteful number, since it uses less digits than its factorization.

2203566660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4080697 (or 4080689 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 2203566660 is about 46942.1629241772. The cubic root of 2203566660 is about 1301.2939109334.

The spelling of 2203566660 in words is "two billion, two hundred three million, five hundred sixty-six thousand, six hundred sixty".