6662505606 has 16 divisors (see below), whose sum is σ = 13493683200. Its totient is φ = 2192723208.

The previous prime is 6662505587. The next prime is 6662505607. The reversal of 6662505606 is 6065052666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662505607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7027486 + ... + 7028433.

It is an arithmetic number, because the mean of its divisors is an integer number (843355200).

Almost surely, 2^6662505606 is an apocalyptic number.

6662505606 is an abundant number, since it is smaller than the sum of its proper divisors (6831177594).

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

6662505606 is a wasteful number, since it uses less digits than its factorization.

6662505606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14056003.

The product of its (nonzero) digits is 388800, while the sum is 42.

The square root of 6662505606 is about 81624.1729268971. The cubic root of 6662505606 is about 1881.6804054657.

The spelling of 6662505606 in words is "six billion, six hundred sixty-two million, five hundred five thousand, six hundred six".