9936081564 has 24 divisors (see below), whose sum is σ = 23186177280. Its totient is φ = 3311743344.

The previous prime is 9936081541. The next prime is 9936081583. The reversal of 9936081564 is 4651806399.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148557 + ... + 204795.

It is an arithmetic number, because the mean of its divisors is an integer number (966090720).

Almost surely, 2^9936081564 is an apocalyptic number.

It is an amenable number.

9936081564 is an abundant number, since it is smaller than the sum of its proper divisors (13250095716).

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

9936081564 is a wasteful number, since it uses less digits than its factorization.

9936081564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70969 (or 70967 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 9936081564 is about 99679.8954854990. The cubic root of 9936081564 is about 2149.8346051965.

The spelling of 9936081564 in words is "nine billion, nine hundred thirty-six million, eighty-one thousand, five hundred sixty-four".