12563632116 has 48 divisors (see below), whose sum is σ = 37225578880. Its totient is φ = 3589608960.

The previous prime is 12563632073. The next prime is 12563632117. The reversal of 12563632116 is 61123636521.

12563632116 is a `hidden beast` number, since 1 + 2 + 5 + 6 + 3 + 632 + 1 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12563632117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8308525 + ... + 8310036.

Almost surely, 2^12563632116 is an apocalyptic number.

It is an amenable number.

12563632116 is an abundant number, since it is smaller than the sum of its proper divisors (24661946764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12563632116 is a wasteful number, since it uses less digits than its factorization.

12563632116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16618581 (or 16618573 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The spelling of 12563632116 in words is "twelve billion, five hundred sixty-three million, six hundred thirty-two thousand, one hundred sixteen".