6665660050 has 96 divisors (see below), whose sum is σ = 15352267392. Its totient is φ = 2100833280.

The previous prime is 6665660017. The next prime is 6665660059. The reversal of 6665660050 is 500665666.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6665659985 and 6665660012.

It is not an unprimeable number, because it can be changed into a prime (6665660059) 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 47 ways as a sum of consecutive naturals, for example, 242824 + ... + 268876.

It is an arithmetic number, because the mean of its divisors is an integer number (159919452).

Almost surely, 2^6665660050 is an apocalyptic number.

6665660050 is an abundant number, since it is smaller than the sum of its proper divisors (8686607342).

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

6665660050 is a wasteful number, since it uses less digits than its factorization.

6665660050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26132 (or 26127 counting only the distinct ones).

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

The square root of 6665660050 is about 81643.4936170666. The cubic root of 6665660050 is about 1881.9773267389.

The spelling of 6665660050 in words is "six billion, six hundred sixty-five million, six hundred sixty thousand, fifty".