16999459086782 has 8 divisors (see below), whose sum is σ = 25499362555056. Its totient is φ = 8499671568432.

The previous prime is 16999459086781. The next prime is 16999459086811. The reversal of 16999459086782 is 28768095499961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 16999459086782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16999459086781) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 28620023 + ... + 29207954.

It is an arithmetic number, because the mean of its divisors is an integer number (3187420319382).

Almost surely, 2^{16999459086782} is an apocalyptic number.

16999459086782 is a deficient number, since it is larger than the sum of its proper divisors (8499903468274).

16999459086782 is a wasteful number, since it uses less digits than its factorization.

16999459086782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57974962.

The product of its (nonzero) digits is 4232632320, while the sum is 83.

The spelling of 16999459086782 in words is "sixteen trillion, nine hundred ninety-nine billion, four hundred fifty-nine million, eighty-six thousand, seven hundred eighty-two".