163850 has 24 divisors (see below), whose sum is σ = 318060. Its totient is φ = 62720.

The previous prime is 163847. The next prime is 163853. The reversal of 163850 is 58361.

163850 is nontrivially palindromic in base 4.

It is an interprime number because it is at equal distance from previous prime (163847) and next prime (163853).

It can be written as a sum of positive squares in 6 ways, for example, as 17161 + 146689 = 131^2 + 383^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

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

It is a zygodrome in base 4.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1394 + ... + 1506.

2¹⁶³⁸⁵⁰ is an apocalyptic number.

163850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163850 is a deficient number, since it is larger than the sum of its proper divisors (154210).

163850 is a wasteful number, since it uses less digits than its factorization.

163850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 163850 is about 404.7838929602. The cubic root of 163850 is about 54.7203435366.

The spelling of 163850 in words is "one hundred sixty-three thousand, eight hundred fifty".