163651234613320 has 64 divisors (see below), whose sum is σ = 368658423619200. Its totient is φ = 65381717998080.

The previous prime is 163651234613311. The next prime is 163651234613359. The reversal of 163651234613320 is 23316432156361.

163651234613320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 1162398691 + ... + 1162539469.

It is an arithmetic number, because the mean of its divisors is an integer number (5760287869050).

Almost surely, 2^{163651234613320} is an apocalyptic number.

163651234613320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163651234613320 is an abundant number, since it is smaller than the sum of its proper divisors (205007189005880).

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

163651234613320 is a wasteful number, since it uses less digits than its factorization.

163651234613320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175558 (or 175554 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 46.

Adding to 163651234613320 its reverse (23316432156361), we get a palindrome (186967666769681).

The spelling of 163651234613320 in words is "one hundred sixty-three trillion, six hundred fifty-one billion, two hundred thirty-four million, six hundred thirteen thousand, three hundred twenty".