16798647 has 4 divisors (see below), whose sum is σ = 22398200. Its totient is φ = 11199096.

The previous prime is 16798637. The next prime is 16798651. The reversal of 16798647 is 74689761.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16798647 - 2⁴ = 16798631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16798596 and 16798605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16798637) 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 in 3 ways as a sum of consecutive naturals, for example, 2799772 + ... + 2799777.

It is an arithmetic number, because the mean of its divisors is an integer number (5599550).

Almost surely, 2^16798647 is an apocalyptic number.

16798647 is a deficient number, since it is larger than the sum of its proper divisors (5599553).

16798647 is an equidigital number, since it uses as much as digits as its factorization.

16798647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5599552.

The product of its digits is 508032, while the sum is 48.

The square root of 16798647 is about 4098.6152539608. The cubic root of 16798647 is about 256.1089573224.

The spelling of 16798647 in words is "sixteen million, seven hundred ninety-eight thousand, six hundred forty-seven".