6605371922 has 18 divisors (see below), whose sum is σ = 10024746879. Its totient is φ = 3264239200.

The previous prime is 6605371919. The next prime is 6605371933. The reversal of 6605371922 is 2291735066.

It can be written as a sum of positive squares in 5 ways, for example, as 4701707761 + 1903664161 = 68569^2 + 43631^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=57469.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6605371922.

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 8 ways as a sum of consecutive naturals, for example, 11608454 + ... + 11609022.

Almost surely, 2^6605371922 is an apocalyptic number.

6605371922 is a deficient number, since it is larger than the sum of its proper divisors (3419374957).

6605371922 is an frugal number, since it uses more digits than its factorization.

6605371922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 6605371922 is about 81273.4392160194. The cubic root of 6605371922 is about 1876.2862330214.

The spelling of 6605371922 in words is "six billion, six hundred five million, three hundred seventy-one thousand, nine hundred twenty-two".