16432451205105 has 16 divisors (see below), whose sum is σ = 28314377461440. Its totient is φ = 8089822131648.

The previous prime is 16432451205091. The next prime is 16432451205179. The reversal of 16432451205105 is 50150215423461.

It is not a de Polignac number, because 16432451205105 - 2¹⁷ = 16432451074033 is a prime.

It is a super-2 number, since 2×16432451205105² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

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, 42134490075 + ... + 42134490464.

It is an arithmetic number, because the mean of its divisors is an integer number (1769648591340).

Almost surely, 2^{16432451205105} is an apocalyptic number.

16432451205105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16432451205105 is a deficient number, since it is larger than the sum of its proper divisors (11881926256335).

16432451205105 is a wasteful number, since it uses less digits than its factorization.

16432451205105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84268980560.

The product of its (nonzero) digits is 144000, while the sum is 39.

Adding to 16432451205105 its reverse (50150215423461), we get a palindrome (66582666628566).

The spelling of 16432451205105 in words is "sixteen trillion, four hundred thirty-two billion, four hundred fifty-one million, two hundred five thousand, one hundred five".