16442075643424 has 24 divisors (see below), whose sum is σ = 32371346334348. Its totient is φ = 8220781336320.

The previous prime is 16442075643421. The next prime is 16442075643457. The reversal of 16442075643424 is 42434657024461.

16442075643424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10387857920400 + 6054217723024 = 3223020^2 + 2460532^2 .

It is a super-3 number, since 3×16442075643424³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16442075643421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6971367 + ... + 9026854.

Almost surely, 2^{16442075643424} is an apocalyptic number.

It is an amenable number.

16442075643424 is a deficient number, since it is larger than the sum of its proper divisors (15929270690924).

16442075643424 is a wasteful number, since it uses less digits than its factorization.

16442075643424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16030348 (or 16030340 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 52.

The spelling of 16442075643424 in words is "sixteen trillion, four hundred forty-two billion, seventy-five million, six hundred forty-three thousand, four hundred twenty-four".