16743842404 has 81 divisors (see below), whose sum is σ = 32054190987. Its totient is φ = 7652080128.

The previous prime is 16743842389. The next prime is 16743842411. The reversal of 16743842404 is 40424834761.

The square root of 16743842404 is 129398.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 11902500 + 16731939904 = 3450^2 + 129352^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 172616884 + ... + 172616980.

Almost surely, 2^16743842404 is an apocalyptic number.

16743842404 is the 129398-th square number.

It is an amenable number.

16743842404 is a deficient number, since it is larger than the sum of its proper divisors (15310348583).

16743842404 is an equidigital number, since it uses as much as digits as its factorization.

16743842404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 43.

The spelling of 16743842404 in words is "sixteen billion, seven hundred forty-three million, eight hundred forty-two thousand, four hundred four".