163853 has 2 divisors, whose sum is σ = 163854. Its totient is φ = 163852.

The previous prime is 163847. The next prime is 163859. The reversal of 163853 is 358361.

It is a balanced prime because it is at equal distance from previous prime (163847) and next prime (163859).

It can be written as a sum of positive squares in only one way, i.e., 162409 + 1444 = 403^2 + 38^2 .

163853 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 163853 - 2⁶ = 163789 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 163853.

It is not a weakly prime, because it can be changed into another prime (163859) 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 as a sum of consecutive naturals, namely, 81926 + 81927.

It is an arithmetic number, because the mean of its divisors is an integer number (81927).

2¹⁶³⁸⁵³ is an apocalyptic number.

It is an amenable number.

163853 is a deficient number, since it is larger than the sum of its proper divisors (1).

163853 is an equidigital number, since it uses as much as digits as its factorization.

163853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 163853 is about 404.7875986243. The cubic root of 163853 is about 54.7206775006.

The spelling of 163853 in words is "one hundred sixty-three thousand, eight hundred fifty-three".