16106223 has 32 divisors (see below), whose sum is σ = 25920000. Its totient is φ = 8701056.

The previous prime is 16106221. The next prime is 16106239. The reversal of 16106223 is 32260161.

It is a happy number.

It is not a de Polignac number, because 16106223 - 2¹ = 16106221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 16106223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16106221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32028 + ... + 32526.

It is an arithmetic number, because the mean of its divisors is an integer number (810000).

Almost surely, 2^16106223 is an apocalyptic number.

16106223 is a deficient number, since it is larger than the sum of its proper divisors (9813777).

16106223 is a wasteful number, since it uses less digits than its factorization.

16106223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 16106223 is about 4013.2559101059. The cubic root of 16106223 is about 252.5406162810.

Adding to 16106223 its reverse (32260161), we get a palindrome (48366384).

The spelling of 16106223 in words is "sixteen million, one hundred six thousand, two hundred twenty-three".