9666005588 has 24 divisors (see below), whose sum is σ = 18204162984. Its totient is φ = 4474137600.

The previous prime is 9666005563. The next prime is 9666005597. The reversal of 9666005588 is 8855006669.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2542983184 + 7123022404 = 50428^2 + 84398^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1160993 + ... + 1169288.

It is an arithmetic number, because the mean of its divisors is an integer number (758506791).

Almost surely, 2^9666005588 is an apocalyptic number.

It is an amenable number.

9666005588 is a deficient number, since it is larger than the sum of its proper divisors (8538157396).

9666005588 is a wasteful number, since it uses less digits than its factorization.

9666005588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330363 (or 2330361 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 53.

The square root of 9666005588 is about 98315.8460676609. The cubic root of 9666005588 is about 2130.1769481305.

The spelling of 9666005588 in words is "nine billion, six hundred sixty-six million, five thousand, five hundred eighty-eight".