12633052666 has 8 divisors (see below), whose sum is σ = 20407238964. Its totient is φ = 5830639680.

The previous prime is 12633052639. The next prime is 12633052673. The reversal of 12633052666 is 66625033621.

It can be written as a sum of positive squares in 2 ways, for example, as 12572912641 + 60140025 = 112129^2 + 7755^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242943295 + ... + 242943346.

Almost surely, 2^12633052666 is an apocalyptic number.

12633052666 is a deficient number, since it is larger than the sum of its proper divisors (7774186298).

12633052666 is a wasteful number, since it uses less digits than its factorization.

12633052666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485886656.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 12633052666 in words is "twelve billion, six hundred thirty-three million, fifty-two thousand, six hundred sixty-six".