16996768 has 24 divisors (see below), whose sum is σ = 33715332. Its totient is φ = 8434176.

The previous prime is 16996757. The next prime is 16996769. The reversal of 16996768 is 86769961.

16996768 = 282² + 283² + ... + 418².

It can be written as a sum of positive squares in 2 ways, for example, as 16875664 + 121104 = 4108^2 + 348^2 .

It is not an unprimeable number, because it can be changed into a prime (16996769) 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, 2446 + ... + 6322.

Almost surely, 2^16996768 is an apocalyptic number.

It is an amenable number.

16996768 is a deficient number, since it is larger than the sum of its proper divisors (16718564).

16996768 is a wasteful number, since it uses less digits than its factorization.

16996768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4024 (or 4016 counting only the distinct ones).

The product of its digits is 979776, while the sum is 52.

The square root of 16996768 is about 4122.7136694173. The cubic root of 16996768 is about 257.1118631662. Note that the first 3 decimals are identical.

The spelling of 16996768 in words is "sixteen million, nine hundred ninety-six thousand, seven hundred sixty-eight".