16736864 has 24 divisors (see below), whose sum is σ = 33044760. Its totient is φ = 8344576.

The previous prime is 16736843. The next prime is 16736873. The reversal of 16736864 is 46863761.

Added to its reverse (46863761) it gives a square (63600625 = 7975²).

It is a congruent number.

It is an unprimeable number.

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, 17552 + ... + 18480.

It is an arithmetic number, because the mean of its divisors is an integer number (1376865).

Almost surely, 2^16736864 is an apocalyptic number.

It is an amenable number.

16736864 is a deficient number, since it is larger than the sum of its proper divisors (16307896).

16736864 is an equidigital number, since it uses as much as digits as its factorization.

16736864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502 (or 1494 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 16736864 is about 4091.0712533516. The cubic root of 16736864 is about 255.7945943482.

Adding to 16736864 its reverse (46863761), we get a square (63600625 = 7975²).

The spelling of 16736864 in words is "sixteen million, seven hundred thirty-six thousand, eight hundred sixty-four".