163446 has 8 divisors (see below), whose sum is σ = 326904. Its totient is φ = 54480.

The previous prime is 163433. The next prime is 163469. The reversal of 163446 is 644361.

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

163446 is an admirable number.

It is a plaindrome in base 15.

It is a zygodrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13615 + ... + 13626.

It is an arithmetic number, because the mean of its divisors is an integer number (40863).

2¹⁶³⁴⁴⁶ is an apocalyptic number.

163446 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.

163446 is a wasteful number, since it uses less digits than its factorization.

163446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27246.

The product of its digits is 1728, while the sum is 24.

The square root of 163446 is about 404.2845532543. The cubic root of 163446 is about 54.6753324223.

The spelling of 163446 in words is "one hundred sixty-three thousand, four hundred forty-six".