16446143103 has 32 divisors (see below), whose sum is σ = 23788416960. Its totient is φ = 10046561280.

The previous prime is 16446143071. The next prime is 16446143113. The reversal of 16446143103 is 30134164461.

It is not a de Polignac number, because 16446143103 - 2⁵ = 16446143071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16446143113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5537803 + ... + 5540771.

It is an arithmetic number, because the mean of its divisors is an integer number (743388030).

Almost surely, 2^16446143103 is an apocalyptic number.

16446143103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16446143103 is a deficient number, since it is larger than the sum of its proper divisors (7342273857).

16446143103 is a wasteful number, since it uses less digits than its factorization.

16446143103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 16446143103 in words is "sixteen billion, four hundred forty-six million, one hundred forty-three thousand, one hundred three".