16134228 has 84 divisors (see below), whose sum is σ = 46273248. Its totient is φ = 4879440.

The previous prime is 16134193. The next prime is 16134233. The reversal of 16134228 is 82243161.

16134228 is a `hidden beast` number, since 1 + 613 + 42 + 2 + 8 = 666.

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

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 31825 + ... + 32327.

It is an arithmetic number, because the mean of its divisors is an integer number (550872).

Almost surely, 2^16134228 is an apocalyptic number.

16134228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16134228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23136624).

16134228 is an abundant number, since it is smaller than the sum of its proper divisors (30139020).

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

16134228 is a wasteful number, since it uses less digits than its factorization.

16134228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 519 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 16134228 is about 4016.7434570806. The cubic root of 16134228 is about 252.6869014534.

Adding to 16134228 its reverse (82243161), we get a palindrome (98377389).

The spelling of 16134228 in words is "sixteen million, one hundred thirty-four thousand, two hundred twenty-eight".