16442621224071 has 16 divisors (see below), whose sum is σ = 25055483126784. Its totient is φ = 9395760940704.

The previous prime is 16442621224013. The next prime is 16442621224129. The reversal of 16442621224071 is 17042212624461.

It is a happy number.

16442621224071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16442621224013) and next prime (16442621224129).

It is not a de Polignac number, because 16442621224071 - 2¹³ = 16442621215879 is a prime.

It is a super-3 number, since 3×16442621224071³ (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 (16442621224871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12350841 + ... + 13617213.

It is an arithmetic number, because the mean of its divisors is an integer number (1565967695424).

Almost surely, 2^{16442621224071} is an apocalyptic number.

16442621224071 is a deficient number, since it is larger than the sum of its proper divisors (8612861902713).

16442621224071 is a wasteful number, since it uses less digits than its factorization.

16442621224071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884670.

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 16442621224071 in words is "sixteen trillion, four hundred forty-two billion, six hundred twenty-one million, two hundred twenty-four thousand, seventy-one".