16227666 has 48 divisors (see below), whose sum is σ = 43278144. Its totient is φ = 4279392.

The previous prime is 16227649. The next prime is 16227667. The reversal of 16227666 is 66672261.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 16227666.

It is not an unprimeable number, because it can be changed into a prime (16227667) 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, 3316 + ... + 6591.

It is an arithmetic number, because the mean of its divisors is an integer number (901628).

Almost surely, 2^16227666 is an apocalyptic number.

16227666 is an abundant number, since it is smaller than the sum of its proper divisors (27050478).

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

16227666 is a wasteful number, since it uses less digits than its factorization.

16227666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9935 (or 9932 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 16227666 is about 4028.3577298944. The cubic root of 16227666 is about 253.1737572287.

The spelling of 16227666 in words is "sixteen million, two hundred twenty-seven thousand, six hundred sixty-six".