163663475164 has 48 divisors (see below), whose sum is σ = 342394214400. Its totient is φ = 66927712896.

The previous prime is 163663475123. The next prime is 163663475177. The reversal of 163663475164 is 461574366361.

163663475164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 47284 + ... + 574075.

It is an arithmetic number, because the mean of its divisors is an integer number (7133212800).

Almost surely, 2^163663475164 is an apocalyptic number.

163663475164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

163663475164 is an abundant number, since it is smaller than the sum of its proper divisors (178730739236).

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

163663475164 is a wasteful number, since it uses less digits than its factorization.

163663475164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621802 (or 621800 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 52.

The spelling of 163663475164 in words is "one hundred sixty-three billion, six hundred sixty-three million, four hundred seventy-five thousand, one hundred sixty-four".