11630644163 has 16 divisors (see below), whose sum is σ = 12970368000. Its totient is φ = 10372661376.

The previous prime is 11630644087. The next prime is 11630644177. The reversal of 11630644163 is 36144603611.

It is a cyclic number.

It is not a de Polignac number, because 11630644163 - 2¹⁶ = 11630578627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11630644183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97163 + ... + 180836.

It is an arithmetic number, because the mean of its divisors is an integer number (810648000).

Almost surely, 2^11630644163 is an apocalyptic number.

11630644163 is a deficient number, since it is larger than the sum of its proper divisors (1339723837).

11630644163 is a wasteful number, since it uses less digits than its factorization.

11630644163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278146.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 11630644163 in words is "eleven billion, six hundred thirty million, six hundred forty-four thousand, one hundred sixty-three".