16478 has 16 divisors (see below), whose sum is σ = 31104. Its totient is φ = 6360.

The previous prime is 16477. The next prime is 16481. The reversal of 16478 is 87461.

16478 is nontrivially palindromic in base 13.

It is a d-powerful number, because it can be written as 1 + 6² + 4⁷ + 7² + 8 .

It is a Curzon number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101 + ... + 207.

It is an arithmetic number, because the mean of its divisors is an integer number (1944).

2¹⁶⁴⁷⁸ is an apocalyptic number.

16478 is a deficient number, since it is larger than the sum of its proper divisors (14626).

16478 is a wasteful number, since it uses less digits than its factorization.

16478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127.

The product of its digits is 1344, while the sum is 26.

The square root of 16478 is about 128.3666623388. The cubic root of 16478 is about 25.4468970527.

It can be divided in two parts, 164 and 78, that added together give a palindrome (242).

The spelling of 16478 in words is "sixteen thousand, four hundred seventy-eight".