16444451001 has 16 divisors (see below), whose sum is σ = 24007477248. Its totient is φ = 9929552400.

The previous prime is 16444450969. The next prime is 16444451003. The reversal of 16444451001 is 10015444461.

16444451001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16444451001 - 2⁵ = 16444450969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16444451001.

It is not an unprimeable number, because it can be changed into a prime (16444451003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910461 + ... + 928346.

It is an arithmetic number, because the mean of its divisors is an integer number (1500467328).

Almost surely, 2^16444451001 is an apocalyptic number.

16444451001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16444451001 is a deficient number, since it is larger than the sum of its proper divisors (7563026247).

16444451001 is a wasteful number, since it uses less digits than its factorization.

16444451001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839092.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 16444451001 its reverse (10015444461), we get a palindrome (26459895462).

The spelling of 16444451001 in words is "sixteen billion, four hundred forty-four million, four hundred fifty-one thousand, one".