16470 has 32 divisors (see below), whose sum is σ = 44640. Its totient is φ = 4320.

The previous prime is 16453. The next prime is 16477. The reversal of 16470 is 7461.

16470 is nontrivially palindromic in base 14.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a d-powerful number, because it can be written as 1 + 6² + 4⁷ + 7² + 0 .

It is a Curzon number.

It is a congruent number.

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

16470 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 (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240 + ... + 300.

It is an arithmetic number, because the mean of its divisors is an integer number (1395).

2¹⁶⁴⁷⁰ is an apocalyptic number.

16470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22320).

16470 is an abundant number, since it is smaller than the sum of its proper divisors (28170).

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

16470 is a wasteful number, since it uses less digits than its factorization.

16470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 16470 is about 128.3354978172. The cubic root of 16470 is about 25.4427782655.

Subtracting from 16470 its reverse (7461), we obtain a palindrome (9009).

The spelling of 16470 in words is "sixteen thousand, four hundred seventy".