163163614138 has 32 divisors (see below), whose sum is σ = 289481817600. Its totient is φ = 67486199424.

The previous prime is 163163614127. The next prime is 163163614151. The reversal of 163163614138 is 831416361361.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 163163614094 and 163163614103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845103 + ... + 1020061.

It is an arithmetic number, because the mean of its divisors is an integer number (9046306800).

Almost surely, 2^163163614138 is an apocalyptic number.

163163614138 is a deficient number, since it is larger than the sum of its proper divisors (126318203462).

163163614138 is a wasteful number, since it uses less digits than its factorization.

163163614138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177294.

The product of its digits is 186624, while the sum is 43.

Adding to 163163614138 its reverse (831416361361), we get a palindrome (994579975499).

The spelling of 163163614138 in words is "one hundred sixty-three billion, one hundred sixty-three million, six hundred fourteen thousand, one hundred thirty-eight".