163494 has 24 divisors (see below), whose sum is σ = 366912. Its totient is φ = 52560.

The previous prime is 163487. The next prime is 163517. The reversal of 163494 is 494361.

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.

163494 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 11 ways as a sum of consecutive naturals, for example, 412 + ... + 704.

It is an arithmetic number, because the mean of its divisors is an integer number (15288).

2¹⁶³⁴⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183456).

163494 is an abundant number, since it is smaller than the sum of its proper divisors (203418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163494 is a wasteful number, since it uses less digits than its factorization.

163494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 329 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 163494 is about 404.3439130245. The cubic root of 163494 is about 54.6806841574.

It can be divided in two parts, 1634 and 94, that added together give a cube (1728 = 12³).

The spelling of 163494 in words is "one hundred sixty-three thousand, four hundred ninety-four".