It is an unprimeable number.
Almost surely, 216493396514 is an apocalyptic number.
16493396514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16493396514 is a wasteful number, since it uses less digits than its factorization.
16493396514 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1239130.
The spelling of 16493396514 in words is "sixteen billion, four hundred ninety-three million, three hundred ninety-six thousand, five hundred fourteen".