163664853 has 32 divisors (see below), whose sum is σ = 244930560. Its totient is φ = 96370560.

The previous prime is 163664833. The next prime is 163664861. The reversal of 163664853 is 358466361.

163664853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 163664853 - 2⁶ = 163664789 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163664833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174201 + ... + 175137.

It is an arithmetic number, because the mean of its divisors is an integer number (7654080).

Almost surely, 2^163664853 is an apocalyptic number.

It is an amenable number.

163664853 is a deficient number, since it is larger than the sum of its proper divisors (81265707).

163664853 is a wasteful number, since it uses less digits than its factorization.

163664853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097.

The product of its digits is 311040, while the sum is 42.

The square root of 163664853 is about 12793.1564908743. The cubic root of 163664853 is about 546.9972482864.

The spelling of 163664853 in words is "one hundred sixty-three million, six hundred sixty-four thousand, eight hundred fifty-three".