16444173853012 has 24 divisors (see below), whose sum is σ = 29284423801920. Its totient is φ = 8077380087360.

The previous prime is 16444173852991. The next prime is 16444173853067. The reversal of 16444173853012 is 21035837144461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22700553 + ... + 23413744.

It is an arithmetic number, because the mean of its divisors is an integer number (1220184325080).

Almost surely, 2^{16444173853012} is an apocalyptic number.

It is an amenable number.

16444173853012 is a deficient number, since it is larger than the sum of its proper divisors (12840249948908).

16444173853012 is a wasteful number, since it uses less digits than its factorization.

16444173853012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46115871 (or 46115869 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 16444173853012 in words is "sixteen trillion, four hundred forty-four billion, one hundred seventy-three million, eight hundred fifty-three thousand, twelve".