16804736742272 has 64 divisors (see below), whose sum is σ = 36669818998800. Its totient is φ = 7635417882624.

The previous prime is 16804736742247. The next prime is 16804736742397. The reversal of 16804736742272 is 27224763740861.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133088018 + ... + 133214225.

Almost surely, 2^{16804736742272} is an apocalyptic number.

It is an amenable number.

16804736742272 is an abundant number, since it is smaller than the sum of its proper divisors (19865082256528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16804736742272 is a wasteful number, since it uses less digits than its factorization.

16804736742272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266302303 (or 266302291 counting only the distinct ones).

The product of its (nonzero) digits is 37933056, while the sum is 59.

The spelling of 16804736742272 in words is "sixteen trillion, eight hundred four billion, seven hundred thirty-six million, seven hundred forty-two thousand, two hundred seventy-two".