6666666606 has 48 divisors (see below), whose sum is σ = 14987516544. Its totient is φ = 2221021944.

The previous prime is 6666666583. The next prime is 6666666631. The reversal of 6666666606 is 6066666666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1751101 + ... + 1754903.

It is an arithmetic number, because the mean of its divisors is an integer number (312239928).

Almost surely, 2^6666666606 is an apocalyptic number.

6666666606 is an abundant number, since it is smaller than the sum of its proper divisors (8320849938).

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

6666666606 is a wasteful number, since it uses less digits than its factorization.

6666666606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7427 (or 7415 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 54.

The square root of 6666666606 is about 81649.6577212667. The cubic root of 6666666606 is about 1882.0720520531.

It can be divided in two parts, 666666660 and 6, that added together give a palindrome (666666666).

The spelling of 6666666606 in words is "six billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred six".