16321696 has 24 divisors (see below), whose sum is σ = 32254740. Its totient is φ = 8130048.

The previous prime is 16321691. The next prime is 16321729. The reversal of 16321696 is 69612361.

It can be written as a sum of positive squares in 2 ways, for example, as 16289296 + 32400 = 4036^2 + 180^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (16321691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9340 + ... + 10948.

Almost surely, 2^16321696 is an apocalyptic number.

16321696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16321696 is a deficient number, since it is larger than the sum of its proper divisors (15933044).

16321696 is a wasteful number, since it uses less digits than its factorization.

16321696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936 (or 1928 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 16321696 is about 4040.0118811706. The cubic root of 16321696 is about 253.6618145846.

The spelling of 16321696 in words is "sixteen million, three hundred twenty-one thousand, six hundred ninety-six".