16794396833680 has 40 divisors (see below), whose sum is σ = 39687086955384. Its totient is φ = 6607631539200.

The previous prime is 16794396833659. The next prime is 16794396833689. The reversal of 16794396833680 is 8633869349761.

It can be written as a sum of positive squares in 4 ways, for example, as 61813893376 + 16732582940304 = 248624^2 + 4090548^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (16794396833689) 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 7 ways as a sum of consecutive naturals, for example, 1720732501 + ... + 1720742260.

Almost surely, 2^{16794396833680} is an apocalyptic number.

16794396833680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16794396833680 is an abundant number, since it is smaller than the sum of its proper divisors (22892690121704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16794396833680 is a wasteful number, since it uses less digits than its factorization.

16794396833680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3441474835 (or 3441474829 counting only the distinct ones).

The product of its (nonzero) digits is 846526464, while the sum is 73.

The spelling of 16794396833680 in words is "sixteen trillion, seven hundred ninety-four billion, three hundred ninety-six million, eight hundred thirty-three thousand, six hundred eighty".