16116228 has 72 divisors (see below), whose sum is σ = 43243200. Its totient is φ = 5052096.

The previous prime is 16116227. The next prime is 16116241. The reversal of 16116228 is 82261161.

16116228 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16116227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44713 + ... + 45071.

It is an arithmetic number, because the mean of its divisors is an integer number (600600).

Almost surely, 2^16116228 is an apocalyptic number.

16116228 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 16116228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21621600).

16116228 is an abundant number, since it is smaller than the sum of its proper divisors (27126972).

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

16116228 is a wasteful number, since it uses less digits than its factorization.

16116228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 436 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 16116228 is about 4014.5022107355. The cubic root of 16116228 is about 252.5928972300.

Adding to 16116228 its reverse (82261161), we get a palindrome (98377389).

The spelling of 16116228 in words is "sixteen million, one hundred sixteen thousand, two hundred twenty-eight".