16224663 has 32 divisors (see below), whose sum is σ = 26930176. Its totient is φ = 8460288.

The previous prime is 16224641. The next prime is 16224671. The reversal of 16224663 is 36642261.

It is not a de Polignac number, because 16224663 - 2⁶ = 16224599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16224663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16224763) 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, 27831 + ... + 28407.

It is an arithmetic number, because the mean of its divisors is an integer number (841568).

Almost surely, 2^16224663 is an apocalyptic number.

16224663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16224663 is a deficient number, since it is larger than the sum of its proper divisors (10705513).

16224663 is a wasteful number, since it uses less digits than its factorization.

16224663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703.

The product of its digits is 10368, while the sum is 30.

The square root of 16224663 is about 4027.9849801110. The cubic root of 16224663 is about 253.1581392978.

The spelling of 16224663 in words is "sixteen million, two hundred twenty-four thousand, six hundred sixty-three".