6622060666 has 8 divisors (see below), whose sum is σ = 10697174964. Its totient is φ = 3056335680.

The previous prime is 6622060649. The next prime is 6622060693. The reversal of 6622060666 is 6660602266.

It can be written as a sum of positive squares in 2 ways, for example, as 6436692441 + 185368225 = 80229^2 + 13615^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127347295 + ... + 127347346.

Almost surely, 2^6622060666 is an apocalyptic number.

6622060666 is a deficient number, since it is larger than the sum of its proper divisors (4075114298).

6622060666 is a wasteful number, since it uses less digits than its factorization.

6622060666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254694656.

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 6622060666 is about 81376.0447920640. The cubic root of 6622060666 is about 1877.8650755585.

The spelling of 6622060666 in words is "six billion, six hundred twenty-two million, sixty thousand, six hundred sixty-six".