23265766666 has 8 divisors (see below), whose sum is σ = 34899462180. Its totient is φ = 11632612608.

The previous prime is 23265766661. The next prime is 23265766669. The reversal of 23265766666 is 66666756232.

It can be written as a sum of positive squares in 2 ways, for example, as 22671626041 + 594140625 = 150571^2 + 24375^2 .

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

It is not an unprimeable number, because it can be changed into a prime (23265766661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1441 + ... + 215716.

Almost surely, 2^23265766666 is an apocalyptic number.

23265766666 is a deficient number, since it is larger than the sum of its proper divisors (11633695514).

23265766666 is a wasteful number, since it uses less digits than its factorization.

23265766666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270728.

The product of its digits is 19595520, while the sum is 55.

The spelling of 23265766666 in words is "twenty-three billion, two hundred sixty-five million, seven hundred sixty-six thousand, six hundred sixty-six".