163621121114 has 16 divisors (see below), whose sum is σ = 267786025920. Its totient is φ = 74361466560.

The previous prime is 163621121089. The next prime is 163621121171. The reversal of 163621121114 is 411121126361.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445574 + ... + 725105.

It is an arithmetic number, because the mean of its divisors is an integer number (16736626620).

Almost surely, 2^163621121114 is an apocalyptic number.

163621121114 is a deficient number, since it is larger than the sum of its proper divisors (104164904806).

163621121114 is a wasteful number, since it uses less digits than its factorization.

163621121114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177045.

The product of its digits is 1728, while the sum is 29.

Adding to 163621121114 its reverse (411121126361), we get a palindrome (574742247475).

The spelling of 163621121114 in words is "one hundred sixty-three billion, six hundred twenty-one million, one hundred twenty-one thousand, one hundred fourteen".