163823409164 has 24 divisors (see below), whose sum is σ = 287880642000. Its totient is φ = 81572060480.

The previous prime is 163823409163. The next prime is 163823409203. The reversal of 163823409164 is 461904328361.

It is not an unprimeable number, because it can be changed into a prime (163823409161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2562662 + ... + 2625810.

It is an arithmetic number, because the mean of its divisors is an integer number (11995026750).

Almost surely, 2^163823409164 is an apocalyptic number.

It is an amenable number.

163823409164 is a deficient number, since it is larger than the sum of its proper divisors (124057232836).

163823409164 is a wasteful number, since it uses less digits than its factorization.

163823409164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65833 (or 65831 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 163823409164 in words is "one hundred sixty-three billion, eight hundred twenty-three million, four hundred nine thousand, one hundred sixty-four".