163554 has 8 divisors (see below), whose sum is σ = 327120. Its totient is φ = 54516.

The previous prime is 163543. The next prime is 163561. The reversal of 163554 is 455361.

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

163554 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 163554.

It is an unprimeable number.

163554 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 3 ways as a sum of consecutive naturals, for example, 13624 + ... + 13635.

It is an arithmetic number, because the mean of its divisors is an integer number (40890).

2¹⁶³⁵⁵⁴ is an apocalyptic number.

163554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

163554 is a wasteful number, since it uses less digits than its factorization.

163554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27264.

The product of its digits is 1800, while the sum is 24.

The square root of 163554 is about 404.4181004851. The cubic root of 163554 is about 54.6873723534.

It can be divided in two parts, 163 and 554, that added together give a palindrome (717).

The spelling of 163554 in words is "one hundred sixty-three thousand, five hundred fifty-four".