16213104 has 120 divisors (see below), whose sum is σ = 49617360. Its totient is φ = 4921344.

The previous prime is 16213103. The next prime is 16213111. The reversal of 16213104 is 40131261.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16213103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90487 + ... + 90665.

It is an arithmetic number, because the mean of its divisors is an integer number (413478).

Almost surely, 2^16213104 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 16213104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24808680).

16213104 is an abundant number, since it is smaller than the sum of its proper divisors (33404256).

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

16213104 is a wasteful number, since it uses less digits than its factorization.

16213104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 16213104 is about 4026.5498879314. The cubic root of 16213104 is about 253.0980055346.

Adding to 16213104 its reverse (40131261), we get a palindrome (56344365).

The spelling of 16213104 in words is "sixteen million, two hundred thirteen thousand, one hundred four".