16278 has 8 divisors (see below), whose sum is σ = 32568. Its totient is φ = 5424.

The previous prime is 16273. The next prime is 16301. The reversal of 16278 is 87261.

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

16278 is an admirable number.

It is a plaindrome in base 11.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1351 + ... + 1362.

It is an arithmetic number, because the mean of its divisors is an integer number (4071).

2¹⁶²⁷⁸ is an apocalyptic number.

16278 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.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16284).

16278 is a wasteful number, since it uses less digits than its factorization.

16278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718.

The product of its digits is 672, while the sum is 24.

The square root of 16278 is about 127.5852656070. The cubic root of 16278 is about 25.3435246777.

The spelling of 16278 in words is "sixteen thousand, two hundred seventy-eight".