16794561284057 has 8 divisors (see below), whose sum is σ = 16942524121416. Its totient is φ = 16647226739712.

The previous prime is 16794561283771. The next prime is 16794561284089. The reversal of 16794561284057 is 75048216549761.

It can be written as a sum of positive squares in 4 ways, for example, as 19155667216 + 16775405616841 = 138404^2 + 4095779^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 16794561284057 - 2²² = 16794557089753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16794561283984 and 16794561284002.

It is not an unprimeable number, because it can be changed into a prime (16794561284257) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 157019558 + ... + 157126479.

It is an arithmetic number, because the mean of its divisors is an integer number (2117815515177).

Almost surely, 2^{16794561284057} is an apocalyptic number.

It is an amenable number.

16794561284057 is a deficient number, since it is larger than the sum of its proper divisors (147962837359).

16794561284057 is a wasteful number, since it uses less digits than its factorization.

16794561284057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314146507.

The product of its (nonzero) digits is 101606400, while the sum is 65.

The spelling of 16794561284057 in words is "sixteen trillion, seven hundred ninety-four billion, five hundred sixty-one million, two hundred eighty-four thousand, fifty-seven".