163000193 has 4 divisors (see below), whose sum is σ = 163033428. Its totient is φ = 162966960.

The previous prime is 163000181. The next prime is 163000219. The reversal of 163000193 is 391000361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 391000361 = 127 ⋅3078743.

It can be written as a sum of positive squares in 2 ways, for example, as 35129329 + 127870864 = 5927^2 + 11308^2 .

It is a cyclic number.

It is not a de Polignac number, because 163000193 - 2⁴ = 163000177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163000393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7646 + ... + 19607.

It is an arithmetic number, because the mean of its divisors is an integer number (40758357).

Almost surely, 2^163000193 is an apocalyptic number.

It is an amenable number.

163000193 is a deficient number, since it is larger than the sum of its proper divisors (33235).

163000193 is an equidigital number, since it uses as much as digits as its factorization.

163000193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33234.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 163000193 is about 12767.1528932648. The cubic root of 163000193 is about 546.2557727259.

The spelling of 163000193 in words is "one hundred sixty-three million, one hundred ninety-three", and thus it is an aban number.