23663664166 has 8 divisors (see below), whose sum is σ = 35500104864. Its totient is φ = 11830295880.

The previous prime is 23663664119. The next prime is 23663664169. The reversal of 23663664166 is 66146636632.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×23663664166² (a number of 22 digits) contains 22 as substring.

It is a congruent 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, 748750 + ... + 779713.

It is an arithmetic number, because the mean of its divisors is an integer number (4437513108).

Almost surely, 2^23663664166 is an apocalyptic number.

23663664166 is a deficient number, since it is larger than the sum of its proper divisors (11836440698).

23663664166 is a wasteful number, since it uses less digits than its factorization.

23663664166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536206.

The product of its digits is 3359232, while the sum is 49.

The spelling of 23663664166 in words is "twenty-three billion, six hundred sixty-three million, six hundred sixty-four thousand, one hundred sixty-six".