163270 has 16 divisors (see below), whose sum is σ = 304560. Its totient is φ = 62944.

The previous prime is 163259. The next prime is 163307. The reversal of 163270 is 72361.

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

It is a plaindrome in base 15.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 9 + ... + 571.

It is an arithmetic number, because the mean of its divisors is an integer number (19035).

2¹⁶³²⁷⁰ is an apocalyptic number.

163270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163270 is a deficient number, since it is larger than the sum of its proper divisors (141290).

163270 is a wasteful number, since it uses less digits than its factorization.

163270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 163270 is about 404.0668261563. The cubic root of 163270 is about 54.6557004244.

Subtracting from 163270 its reverse (72361), we obtain a palindrome (90909).

The spelling of 163270 in words is "one hundred sixty-three thousand, two hundred seventy".