163493 has 8 divisors (see below), whose sum is σ = 181440. Its totient is φ = 146080.

The previous prime is 163487. The next prime is 163517. The reversal of 163493 is 394361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 163493 - 2⁴ = 163477 is a prime.

It is a super-2 number, since 2×163493² = 53459922098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 163493.

It is not an unprimeable number, because it can be changed into a prime (163403) by changing a digit.

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, 896 + ... + 1062.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2¹⁶³⁴⁹³ is an apocalyptic number.

It is an amenable number.

163493 is a deficient number, since it is larger than the sum of its proper divisors (17947).

163493 is a wasteful number, since it uses less digits than its factorization.

163493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267.

The product of its digits is 1944, while the sum is 26.

The square root of 163493 is about 404.3426764515. The cubic root of 163493 is about 54.6805726736.

It can be divided in two parts, 163 and 493, that added together give a palindrome (656).

The spelling of 163493 in words is "one hundred sixty-three thousand, four hundred ninety-three".