16404168004264 has 16 divisors (see below), whose sum is σ = 30892128614100. Its totient is φ = 8166267040512.

The previous prime is 16404168004243. The next prime is 16404168004321. The reversal of 16404168004264 is 46240086140461.

It can be written as a sum of positive squares in 2 ways, for example, as 16403877028900 + 290975364 = 4050170^2 + 17058^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4477118257 + ... + 4477121920.

Almost surely, 2^{16404168004264} is an apocalyptic number.

It is an amenable number.

16404168004264 is a deficient number, since it is larger than the sum of its proper divisors (14487960609836).

16404168004264 is a wasteful number, since it uses less digits than its factorization.

16404168004264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8954240412 (or 8954240408 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 46.

The spelling of 16404168004264 in words is "sixteen trillion, four hundred four billion, one hundred sixty-eight million, four thousand, two hundred sixty-four".