16442615664441 has 24 divisors (see below), whose sum is σ = 23827902933120. Its totient is φ = 10925997120000.

The previous prime is 16442615664407. The next prime is 16442615664469. The reversal of 16442615664441 is 14446651624461.

16442615664441 is a `hidden beast` number, since 1 + 6 + 4 + 42 + 6 + 156 + 6 + 4 + 441 = 666.

It is not a de Polignac number, because 16442615664441 - 2¹⁰ = 16442615663417 is a prime.

It is a super-3 number, since 3×16442615664441³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16442615668441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67056420 + ... + 67301178.

It is an arithmetic number, because the mean of its divisors is an integer number (992829288880).

Almost surely, 2^{16442615664441} is an apocalyptic number.

It is an amenable number.

16442615664441 is a deficient number, since it is larger than the sum of its proper divisors (7385287268679).

16442615664441 is a wasteful number, since it uses less digits than its factorization.

16442615664441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269077 (or 269074 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 54.

The spelling of 16442615664441 in words is "sixteen trillion, four hundred forty-two billion, six hundred fifteen million, six hundred sixty-four thousand, four hundred forty-one".