9663796604556 has 36 divisors (see below), whose sum is σ = 25713610850200. Its totient is φ = 3051725243328.

The previous prime is 9663796604507. The next prime is 9663796604557. The reversal of 9663796604556 is 6554066973669.

9663796604556 is a `hidden beast` number, since 9 + 6 + 6 + 3 + 7 + 9 + 6 + 60 + 4 + 556 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (9663796604557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7064178121 + ... + 7064179488.

Almost surely, 2^{9663796604556} is an apocalyptic number.

It is an amenable number.

9663796604556 is an abundant number, since it is smaller than the sum of its proper divisors (16049814245644).

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

9663796604556 is a wasteful number, since it uses less digits than its factorization.

9663796604556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14128357638 (or 14128357633 counting only the distinct ones).

The product of its (nonzero) digits is 1322697600, while the sum is 72.

The spelling of 9663796604556 in words is "nine trillion, six hundred sixty-three billion, seven hundred ninety-six million, six hundred four thousand, five hundred fifty-six".