16444173853061 has 16 divisors (see below), whose sum is σ = 16716282854400. Its totient is φ = 16174150608000.

The previous prime is 16444173852991. The next prime is 16444173853067. The reversal of 16444173853061 is 16035837144461.

It is a cyclic number.

It is not a de Polignac number, because 16444173853061 - 2¹⁸ = 16444173590917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16444173852994 and 16444173853012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16444173853067) 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, 19605236 + ... + 20426786.

It is an arithmetic number, because the mean of its divisors is an integer number (1044767678400).

Almost surely, 2^{16444173853061} is an apocalyptic number.

It is an amenable number.

16444173853061 is a deficient number, since it is larger than the sum of its proper divisors (272109001339).

16444173853061 is an equidigital number, since it uses as much as digits as its factorization.

16444173853061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822820.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 16444173853061 in words is "sixteen trillion, four hundred forty-four billion, one hundred seventy-three million, eight hundred fifty-three thousand, sixty-one".