6668257622 has 32 divisors (see below), whose sum is σ = 11161281600. Its totient is φ = 2966721408.

The previous prime is 6668257619. The next prime is 6668257649. The reversal of 6668257622 is 2267528666.

It is a super-2 number, since 2×6668257622² = 88931319426722189768, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 481004 + ... + 494672.

It is an arithmetic number, because the mean of its divisors is an integer number (348790050).

Almost surely, 2^6668257622 is an apocalyptic number.

6668257622 is a deficient number, since it is larger than the sum of its proper divisors (4493023978).

6668257622 is a wasteful number, since it uses less digits than its factorization.

6668257622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14360.

The product of its digits is 2903040, while the sum is 50.

The square root of 6668257622 is about 81659.4000835176. The cubic root of 6668257622 is about 1882.2217604831.

The spelling of 6668257622 in words is "six billion, six hundred sixty-eight million, two hundred fifty-seven thousand, six hundred twenty-two".