163854 has 12 divisors (see below), whose sum is σ = 355056. Its totient is φ = 54612.

The previous prime is 163853. The next prime is 163859. The reversal of 163854 is 458361.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4534 + ... + 4569.

It is an arithmetic number, because the mean of its divisors is an integer number (29588).

163854 is a Friedman number, since it can be written as 54618*3, using all its digits and the basic arithmetic operations.

2¹⁶³⁸⁵⁴ is an apocalyptic number.

163854 is an abundant number, since it is smaller than the sum of its proper divisors (191202).

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

163854 is a wasteful number, since it uses less digits than its factorization.

163854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9111 (or 9108 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 163854 is about 404.7888338381. The cubic root of 163854 is about 54.7207888211.

The spelling of 163854 in words is "one hundred sixty-three thousand, eight hundred fifty-four".