16996456 has 16 divisors (see below), whose sum is σ = 31940640. Its totient is φ = 8478960.

The previous prime is 16996453. The next prime is 16996457. The reversal of 16996456 is 65469961.

It is not an unprimeable number, because it can be changed into a prime (16996453) 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, 1765 + ... + 6091.

It is an arithmetic number, because the mean of its divisors is an integer number (1996290).

Almost surely, 2^16996456 is an apocalyptic number.

It is an amenable number.

16996456 is a deficient number, since it is larger than the sum of its proper divisors (14944184).

16996456 is a wasteful number, since it uses less digits than its factorization.

16996456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4824 (or 4820 counting only the distinct ones).

The product of its digits is 349920, while the sum is 46.

The square root of 16996456 is about 4122.6758300890. The cubic root of 16996456 is about 257.1102899378.

The spelling of 16996456 in words is "sixteen million, nine hundred ninety-six thousand, four hundred fifty-six".