16442663777473 has 8 divisors (see below), whose sum is σ = 16794143124480. Its totient is φ = 16091252573760.

The previous prime is 16442663777399. The next prime is 16442663777489. The reversal of 16442663777473 is 37477736624461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16442663777473 is a prime.

It is a super-3 number, since 3×16442663777473³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16442663777399 and 16442663777408.

It is not an unprimeable number, because it can be changed into a prime (16442663777873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16547928 + ... + 17513401.

It is an arithmetic number, because the mean of its divisors is an integer number (2099267890560).

Almost surely, 2^{16442663777473} is an apocalyptic number.

It is an amenable number.

16442663777473 is a deficient number, since it is larger than the sum of its proper divisors (351479347007).

16442663777473 is a wasteful number, since it uses less digits than its factorization.

16442663777473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34071647.

The product of its digits is 597445632, while the sum is 67.

The spelling of 16442663777473 in words is "sixteen trillion, four hundred forty-two billion, six hundred sixty-three million, seven hundred seventy-seven thousand, four hundred seventy-three".