163634215112 has 32 divisors (see below), whose sum is σ = 309072672000. Its totient is φ = 81216748800.

The previous prime is 163634215099. The next prime is 163634215123. The reversal of 163634215112 is 211512436361.

163634215112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566912 + ... + 805392.

It is an arithmetic number, because the mean of its divisors is an integer number (9658521000).

Almost surely, 2^163634215112 is an apocalyptic number.

It is an amenable number.

163634215112 is a deficient number, since it is larger than the sum of its proper divisors (145438456888).

163634215112 is a wasteful number, since it uses less digits than its factorization.

163634215112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239117 (or 239113 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The spelling of 163634215112 in words is "one hundred sixty-three billion, six hundred thirty-four million, two hundred fifteen thousand, one hundred twelve".