9565820066 has 32 divisors (see below), whose sum is σ = 17446259520. Its totient is φ = 3876940800.

The previous prime is 9565820057. The next prime is 9565820081. The reversal of 9565820066 is 6600285659.

It is a self number, because there is not a number n which added to its sum of digits gives 9565820066.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665975 + ... + 680186.

It is an arithmetic number, because the mean of its divisors is an integer number (545195610).

Almost surely, 2^9565820066 is an apocalyptic number.

9565820066 is a deficient number, since it is larger than the sum of its proper divisors (7880439454).

9565820066 is a wasteful number, since it uses less digits than its factorization.

9565820066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346210.

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 9565820066 is about 97805.0104340263. The cubic root of 9565820066 is about 2122.7918055999.

The spelling of 9565820066 in words is "nine billion, five hundred sixty-five million, eight hundred twenty thousand, sixty-six".