6664622006 has 12 divisors (see below), whose sum is σ = 11629085508. Its totient is φ = 2856266532.

The previous prime is 6664621993. The next prime is 6664622021. The reversal of 6664622006 is 6002264666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34003076 + ... + 34003271.

It is an arithmetic number, because the mean of its divisors is an integer number (969090459).

Almost surely, 2^6664622006 is an apocalyptic number.

6664622006 is a deficient number, since it is larger than the sum of its proper divisors (4964463502).

6664622006 is a wasteful number, since it uses less digits than its factorization.

6664622006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68006363 (or 68006356 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The square root of 6664622006 is about 81637.1361942590. The cubic root of 6664622006 is about 1881.8796281526.

The spelling of 6664622006 in words is "six billion, six hundred sixty-four million, six hundred twenty-two thousand, six".