16442075645536 has 24 divisors (see below), whose sum is σ = 32370686790120. Its totient is φ = 8220948841728.

The previous prime is 16442075645533. The next prime is 16442075645609. The reversal of 16442075645536 is 63554657024461.

It is a super-3 number, since 3×16442075645536³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16442075645533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273660 + ... + 5740996.

It is an arithmetic number, because the mean of its divisors is an integer number (1348778616255).

Almost surely, 2^{16442075645536} is an apocalyptic number.

16442075645536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16442075645536 is a deficient number, since it is larger than the sum of its proper divisors (15928611144584).

16442075645536 is an equidigital number, since it uses as much as digits as its factorization.

16442075645536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561326 (or 5561318 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 58.

The spelling of 16442075645536 in words is "sixteen trillion, four hundred forty-two billion, seventy-five million, six hundred forty-five thousand, five hundred thirty-six".