6665506622 has 8 divisors (see below), whose sum is σ = 10524484200. Its totient is φ = 3157345224.

The previous prime is 6665506609. The next prime is 6665506649. The reversal of 6665506622 is 2266055666.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 87703997 + ... + 87704072.

It is an arithmetic number, because the mean of its divisors is an integer number (1315560525).

Almost surely, 2^6665506622 is an apocalyptic number.

6665506622 is a deficient number, since it is larger than the sum of its proper divisors (3858977578).

6665506622 is a wasteful number, since it uses less digits than its factorization.

6665506622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175408090.

The product of its (nonzero) digits is 777600, while the sum is 44.

The square root of 6665506622 is about 81642.5539899384. The cubic root of 6665506622 is about 1881.9628870470.

The spelling of 6665506622 in words is "six billion, six hundred sixty-five million, five hundred six thousand, six hundred twenty-two".