16254216 has 64 divisors (see below), whose sum is σ = 49262400. Its totient is φ = 4924800.

The previous prime is 16254209. The next prime is 16254229. The reversal of 16254216 is 61245261.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 16254216.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1045 + ... + 5796.

It is an arithmetic number, because the mean of its divisors is an integer number (769725).

Almost surely, 2^16254216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16254216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24631200).

16254216 is an abundant number, since it is smaller than the sum of its proper divisors (33008184).

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

16254216 is a wasteful number, since it uses less digits than its factorization.

16254216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6867 (or 6857 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 16254216 is about 4031.6517706766. The cubic root of 16254216 is about 253.3117540868.

Adding to 16254216 its reverse (61245261), we get a palindrome (77499477).

The spelling of 16254216 in words is "sixteen million, two hundred fifty-four thousand, two hundred sixteen".