12575646663 has 8 divisors (see below), whose sum is σ = 16854408048. Its totient is φ = 8340324864.

The previous prime is 12575646613. The next prime is 12575646719. The reversal of 12575646663 is 36664657521.

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

It is not a de Polignac number, because 12575646663 - 2⁶ = 12575646599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12575646613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10859220 + ... + 10860377.

It is an arithmetic number, because the mean of its divisors is an integer number (2106801006).

Almost surely, 2^12575646663 is an apocalyptic number.

12575646663 is a deficient number, since it is larger than the sum of its proper divisors (4278761385).

12575646663 is a wasteful number, since it uses less digits than its factorization.

12575646663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21719793.

The product of its digits is 5443200, while the sum is 51.

The spelling of 12575646663 in words is "twelve billion, five hundred seventy-five million, six hundred forty-six thousand, six hundred sixty-three".