16232864 has 24 divisors (see below), whose sum is σ = 32400900. Its totient is φ = 8004096.

The previous prime is 16232833. The next prime is 16232869. The reversal of 16232864 is 46823261.

It can be written as a sum of positive squares in 2 ways, for example, as 15272464 + 960400 = 3908^2 + 980^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 16232864.

It is not an unprimeable number, because it can be changed into a prime (16232869) 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 3 ways as a sum of consecutive naturals, for example, 1139 + ... + 5810.

Almost surely, 2^16232864 is an apocalyptic number.

It is an amenable number.

16232864 is a deficient number, since it is larger than the sum of its proper divisors (16168036).

16232864 is an equidigital number, since it uses as much as digits as its factorization.

16232864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7032 (or 7024 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 16232864 is about 4029.0028543053. The cubic root of 16232864 is about 253.2007863098.

The spelling of 16232864 in words is "sixteen million, two hundred thirty-two thousand, eight hundred sixty-four".