16453431105 has 24 divisors (see below), whose sum is σ = 26560829568. Its totient is φ = 8697405696.

The previous prime is 16453431101. The next prime is 16453431107. The reversal of 16453431105 is 50113435461.

It is a happy number.

It is not a de Polignac number, because 16453431105 - 2² = 16453431101 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16453431101) 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 23 ways as a sum of consecutive naturals, for example, 148584 + ... + 234486.

It is an arithmetic number, because the mean of its divisors is an integer number (1106701232).

Almost surely, 2^16453431105 is an apocalyptic number.

16453431105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16453431105 is a deficient number, since it is larger than the sum of its proper divisors (10107398463).

16453431105 is an equidigital number, since it uses as much as digits as its factorization.

16453431105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86137 (or 86024 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 16453431105 its reverse (50113435461), we get a palindrome (66566866566).

The spelling of 16453431105 in words is "sixteen billion, four hundred fifty-three million, four hundred thirty-one thousand, one hundred five".