16444173853011 has 16 divisors (see below), whose sum is σ = 23081668502400. Its totient is φ = 10384837198848.

The previous prime is 16444173852991. The next prime is 16444173853067. The reversal of 16444173853011 is 11035837144461.

It is not a de Polignac number, because 16444173853011 - 2⁹ = 16444173852499 is a prime.

It is a super-2 number, since 2×16444173853011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16444173851011) 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, 12664686 + ... + 13902611.

It is an arithmetic number, because the mean of its divisors is an integer number (1442604281400).

Almost surely, 2^{16444173853011} is an apocalyptic number.

16444173853011 is a deficient number, since it is larger than the sum of its proper divisors (6637494649389).

16444173853011 is a wasteful number, since it uses less digits than its factorization.

16444173853011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26578178.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 16444173853011 in words is "sixteen trillion, four hundred forty-four billion, one hundred seventy-three million, eight hundred fifty-three thousand, eleven".