6660550122 has 32 divisors (see below), whose sum is σ = 14448720384. Its totient is φ = 2038617600.

The previous prime is 6660550109. The next prime is 6660550201. The reversal of 6660550122 is 2210550666.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792154 + ... + 800517.

It is an arithmetic number, because the mean of its divisors is an integer number (451522512).

Almost surely, 2^6660550122 is an apocalyptic number.

6660550122 is an abundant number, since it is smaller than the sum of its proper divisors (7788170262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6660550122 is a wasteful number, since it uses less digits than its factorization.

6660550122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592734.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 6660550122 is about 81612.1934639671. The cubic root of 6660550122 is about 1881.4962927512.

The spelling of 6660550122 in words is "six billion, six hundred sixty million, five hundred fifty thousand, one hundred twenty-two".