9996565436 has 24 divisors (see below), whose sum is σ = 20552380464. Its totient is φ = 4194362880.

The previous prime is 9996565433. The next prime is 9996565483. The reversal of 9996565436 is 6345656999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9996565433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8737685 + ... + 8738828.

It is an arithmetic number, because the mean of its divisors is an integer number (856349186).

Almost surely, 2^9996565436 is an apocalyptic number.

It is an amenable number.

9996565436 is an abundant number, since it is smaller than the sum of its proper divisors (10555815028).

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

9996565436 is a wasteful number, since it uses less digits than its factorization.

9996565436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17476541 (or 17476539 counting only the distinct ones).

The product of its digits is 47239200, while the sum is 62.

The square root of 9996565436 is about 99982.8257052180. The cubic root of 9996565436 is about 2154.1880103276.

The spelling of 9996565436 in words is "nine billion, nine hundred ninety-six million, five hundred sixty-five thousand, four hundred thirty-six".