163274 has 4 divisors (see below), whose sum is σ = 244914. Its totient is φ = 81636.

The previous prime is 163259. The next prime is 163307. The reversal of 163274 is 472361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 126025 + 37249 = 355^2 + 193^2 .

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

It is a Curzon number.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 163274.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40817 + ... + 40820.

2¹⁶³²⁷⁴ is an apocalyptic number.

163274 is a deficient number, since it is larger than the sum of its proper divisors (81640).

163274 is an equidigital number, since it uses as much as digits as its factorization.

163274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81639.

The product of its digits is 1008, while the sum is 23.

The square root of 163274 is about 404.0717758023. The cubic root of 163274 is about 54.6561467628.

The spelling of 163274 in words is "one hundred sixty-three thousand, two hundred seventy-four".