16442020305775 has 6 divisors (see below), whose sum is σ = 20388105179192. Its totient is φ = 13153616244600.

The previous prime is 16442020305757. The next prime is 16442020305779. The reversal of 16442020305775 is 57750302024461.

It is not a de Polignac number, because 16442020305775 - 2⁷ = 16442020305647 is a prime.

It is a super-3 number, since 3×16442020305775³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442020305779) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 328840406091 + ... + 328840406140.

Almost surely, 2^{16442020305775} is an apocalyptic number.

16442020305775 is a deficient number, since it is larger than the sum of its proper divisors (3946084873417).

16442020305775 is an equidigital number, since it uses as much as digits as its factorization.

16442020305775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657680812241 (or 657680812236 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 46.

The spelling of 16442020305775 in words is "sixteen trillion, four hundred forty-two billion, twenty million, three hundred five thousand, seven hundred seventy-five".