6665305900 has 36 divisors (see below), whose sum is σ = 15778599480. Its totient is φ = 2423747200.

The previous prime is 6665305841. The next prime is 6665305901. The reversal of 6665305900 is 95035666.

It is not an unprimeable number, because it can be changed into a prime (6665305901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3028585 + ... + 3030784.

It is an arithmetic number, because the mean of its divisors is an integer number (438294430).

Almost surely, 2^6665305900 is an apocalyptic number.

It is an amenable number.

6665305900 is an abundant number, since it is smaller than the sum of its proper divisors (9113293580).

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

6665305900 is a wasteful number, since it uses less digits than its factorization.

6665305900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6059394 (or 6059387 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 40.

The square root of 6665305900 is about 81641.3247075279. The cubic root of 6665305900 is about 1881.9439960025.

The spelling of 6665305900 in words is "six billion, six hundred sixty-five million, three hundred five thousand, nine hundred".