163382273 has 4 divisors (see below), whose sum is σ = 171981360. Its totient is φ = 154783188.

The previous prime is 163382251. The next prime is 163382287. The reversal of 163382273 is 372283361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 372283361 = 163 ⋅2283947.

It is a cyclic number.

It is not a de Polignac number, because 163382273 - 2⁶ = 163382209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163382203) 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, 4299515 + ... + 4299552.

It is an arithmetic number, because the mean of its divisors is an integer number (42995340).

Almost surely, 2^163382273 is an apocalyptic number.

It is an amenable number.

163382273 is a deficient number, since it is larger than the sum of its proper divisors (8599087).

163382273 is an equidigital number, since it uses as much as digits as its factorization.

163382273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8599086.

The product of its digits is 36288, while the sum is 35.

The square root of 163382273 is about 12782.1075335799. The cubic root of 163382273 is about 546.6822559422.

The spelling of 163382273 in words is "one hundred sixty-three million, three hundred eighty-two thousand, two hundred seventy-three".