23975006666 has 16 divisors (see below), whose sum is σ = 39195473184. Its totient is φ = 10932068784.

The previous prime is 23975006659. The next prime is 23975006689. The reversal of 23975006666 is 66660057932.

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, 5552756 + ... + 5557071.

It is an arithmetic number, because the mean of its divisors is an integer number (2449717074).

Almost surely, 2^23975006666 is an apocalyptic number.

23975006666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

23975006666 is a deficient number, since it is larger than the sum of its proper divisors (15220466518).

23975006666 is a wasteful number, since it uses less digits than its factorization.

23975006666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11109925.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 23975006666 in words is "twenty-three billion, nine hundred seventy-five million, six thousand, six hundred sixty-six".