16696816 has 20 divisors (see below), whose sum is σ = 32523712. Its totient is φ = 8303616.

The previous prime is 16696811. The next prime is 16696831. The reversal of 16696816 is 61869661.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16696811) 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, 385 + ... + 5791.

Almost surely, 2^16696816 is an apocalyptic number.

16696816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16696816 is a deficient number, since it is larger than the sum of its proper divisors (15826896).

16696816 is a wasteful number, since it uses less digits than its factorization.

16696816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5608 (or 5602 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 16696816 is about 4086.1737603778. The cubic root of 16696816 is about 255.5904094729.

The spelling of 16696816 in words is "sixteen million, six hundred ninety-six thousand, eight hundred sixteen".