16431206470005 has 16 divisors (see below), whose sum is σ = 26785966775040. Its totient is φ = 8597964643008.

The previous prime is 16431206469991. The next prime is 16431206470039. The reversal of 16431206470005 is 50007460213461.

It is a happy number.

It is not a de Polignac number, because 16431206470005 - 2⁴ = 16431206469989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10334091325 + ... + 10334092914.

It is an arithmetic number, because the mean of its divisors is an integer number (1674122923440).

Almost surely, 2^{16431206470005} is an apocalyptic number.

16431206470005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16431206470005 is a deficient number, since it is larger than the sum of its proper divisors (10354760305035).

16431206470005 is a wasteful number, since it uses less digits than its factorization.

16431206470005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20668184300.

The product of its (nonzero) digits is 120960, while the sum is 39.

Adding to 16431206470005 its reverse (50007460213461), we get a palindrome (66438666683466).

The spelling of 16431206470005 in words is "sixteen trillion, four hundred thirty-one billion, two hundred six million, four hundred seventy thousand, five".