9665554575 has 12 divisors (see below), whose sum is σ = 15980383688. Its totient is φ = 5154962400.

The previous prime is 9665554513. The next prime is 9665554579. The reversal of 9665554575 is 5754555669.

9665554575 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9665554575 - 2¹³ = 9665546383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9665554579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64436956 + ... + 64437105.

Almost surely, 2^9665554575 is an apocalyptic number.

9665554575 is a deficient number, since it is larger than the sum of its proper divisors (6314829113).

9665554575 is a wasteful number, since it uses less digits than its factorization.

9665554575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128874074 (or 128874069 counting only the distinct ones).

The product of its digits is 28350000, while the sum is 57.

The square root of 9665554575 is about 98313.5523465611. The cubic root of 9665554575 is about 2130.1438164702.

The spelling of 9665554575 in words is "nine billion, six hundred sixty-five million, five hundred fifty-four thousand, five hundred seventy-five".