163621033210312 has 64 divisors (see below), whose sum is σ = 311081933232000. Its totient is φ = 80673289804800.

The previous prime is 163621033210303. The next prime is 163621033210319. The reversal of 163621033210312 is 213012330126361.

It is not an unprimeable number, because it can be changed into a prime (163621033210319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3660321562 + ... + 3660366262.

It is an arithmetic number, because the mean of its divisors is an integer number (4860655206750).

Almost surely, 2^{163621033210312} is an apocalyptic number.

It is an amenable number.

163621033210312 is a deficient number, since it is larger than the sum of its proper divisors (147460900021688).

163621033210312 is a wasteful number, since it uses less digits than its factorization.

163621033210312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65366 (or 65362 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

Adding to 163621033210312 its reverse (213012330126361), we get a palindrome (376633363336673).

The spelling of 163621033210312 in words is "one hundred sixty-three trillion, six hundred twenty-one billion, thirty-three million, two hundred ten thousand, three hundred twelve".