16973696 has 16 divisors (see below), whose sum is σ = 33815040. Its totient is φ = 8486784.

The previous prime is 16973689. The next prime is 16973699. The reversal of 16973696 is 69637961.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 16973696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16973699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66176 + ... + 66431.

It is an arithmetic number, because the mean of its divisors is an integer number (2113440).

Almost surely, 2^16973696 is an apocalyptic number.

16973696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16973696 is a deficient number, since it is larger than the sum of its proper divisors (16841344).

16973696 is an equidigital number, since it uses as much as digits as its factorization.

16973696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132621 (or 132609 counting only the distinct ones).

The product of its digits is 367416, while the sum is 47.

The square root of 16973696 is about 4119.9145622209. The cubic root of 16973696 is about 256.9954729781.

The spelling of 16973696 in words is "sixteen million, nine hundred seventy-three thousand, six hundred ninety-six".