23663664163 has 4 divisors (see below), whose sum is σ = 23929548120. Its totient is φ = 23397780208.

The previous prime is 23663664119. The next prime is 23663664169. The reversal of 23663664163 is 36146636632.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23663664163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23663664169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132941845 + ... + 132942022.

It is an arithmetic number, because the mean of its divisors is an integer number (5982387030).

Almost surely, 2^23663664163 is an apocalyptic number.

23663664163 is a deficient number, since it is larger than the sum of its proper divisors (265883957).

23663664163 is an equidigital number, since it uses as much as digits as its factorization.

23663664163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265883956.

The product of its digits is 1679616, while the sum is 46.

The spelling of 23663664163 in words is "twenty-three billion, six hundred sixty-three million, six hundred sixty-four thousand, one hundred sixty-three".