16724056 has 16 divisors (see below), whose sum is σ = 33202440. Its totient is φ = 7870080.

The previous prime is 16724053. The next prime is 16724069. The reversal of 16724056 is 65042761.

It is a happy number.

It is a super-2 number, since 2×16724056² = 559388098182272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16724051) by changing a digit.

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, 61350 + ... + 61621.

Almost surely, 2^16724056 is an apocalyptic number.

It is an amenable number.

16724056 is a deficient number, since it is larger than the sum of its proper divisors (16478384).

16724056 is a wasteful number, since it uses less digits than its factorization.

16724056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122994 (or 122990 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 16724056 is about 4089.5055935895. The cubic root of 16724056 is about 255.7293281742.

The spelling of 16724056 in words is "sixteen million, seven hundred twenty-four thousand, fifty-six".