16442027506553 has 8 divisors (see below), whose sum is σ = 17936819189280. Its totient is φ = 14947246142080.

The previous prime is 16442027506549. The next prime is 16442027506571. The reversal of 16442027506553 is 35560572024461.

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

It is a cyclic number.

It is not a de Polignac number, because 16442027506553 - 2² = 16442027506549 is a prime.

It is a super-3 number, since 3×16442027506553³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16442027506543) 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, 963926 + ... + 5814912.

It is an arithmetic number, because the mean of its divisors is an integer number (2242102398660).

Almost surely, 2^{16442027506553} is an apocalyptic number.

It is an amenable number.

16442027506553 is a deficient number, since it is larger than the sum of its proper divisors (1494791682727).

16442027506553 is a wasteful number, since it uses less digits than its factorization.

16442027506553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159127.

The product of its (nonzero) digits is 6048000, while the sum is 50.

The spelling of 16442027506553 in words is "sixteen trillion, four hundred forty-two billion, twenty-seven million, five hundred six thousand, five hundred fifty-three".