16784744674 has 16 divisors (see below), whose sum is σ = 26749123128. Its totient is φ = 7871740672.

The previous prime is 16784744597. The next prime is 16784744699. The reversal of 16784744674 is 47644748761.

16784744674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16696516225 + 88228449 = 129215^2 + 9393^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832477 + ... + 852400.

Almost surely, 2^16784744674 is an apocalyptic number.

16784744674 is a deficient number, since it is larger than the sum of its proper divisors (9964378454).

16784744674 is a wasteful number, since it uses less digits than its factorization.

16784744674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685189.

The product of its digits is 25288704, while the sum is 58.

It can be divided in two parts, 167847 and 44674, that added together give a square (212521 = 461²).

The spelling of 16784744674 in words is "sixteen billion, seven hundred eighty-four million, seven hundred forty-four thousand, six hundred seventy-four".