16451444364771 has 16 divisors (see below), whose sum is σ = 23623497460640. Its totient is φ = 10123575471360.

The previous prime is 16451444364767. The next prime is 16451444364809. The reversal of 16451444364771 is 17746344415461.

It is not a de Polignac number, because 16451444364771 - 2² = 16451444364767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16451444365771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7104826 + ... + 9131343.

It is an arithmetic number, because the mean of its divisors is an integer number (1476468591290).

Almost surely, 2^{16451444364771} is an apocalyptic number.

16451444364771 is a deficient number, since it is larger than the sum of its proper divisors (7172053095869).

16451444364771 is a wasteful number, since it uses less digits than its factorization.

16451444364771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16262166.

The product of its digits is 27095040, while the sum is 57.

The spelling of 16451444364771 in words is "sixteen trillion, four hundred fifty-one billion, four hundred forty-four million, three hundred sixty-four thousand, seven hundred seventy-one".