5656666006 has 4 divisors (see below), whose sum is σ = 8484999012. Its totient is φ = 2828333002.

The previous prime is 5656665947. The next prime is 5656666019. The reversal of 5656666006 is 6006666565.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1414166500 + ... + 1414166503.

It is an arithmetic number, because the mean of its divisors is an integer number (2121249753).

Almost surely, 2^5656666006 is an apocalyptic number.

5656666006 is a deficient number, since it is larger than the sum of its proper divisors (2828333006).

5656666006 is a wasteful number, since it uses less digits than its factorization.

5656666006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828333005.

The product of its (nonzero) digits is 1166400, while the sum is 46.

The square root of 5656666006 is about 75210.8104330754. The cubic root of 5656666006 is about 1781.7776717332. Note that the first 3 decimals are identical.

The spelling of 5656666006 in words is "five billion, six hundred fifty-six million, six hundred sixty-six thousand, six".