16706656607653 has 8 divisors (see below), whose sum is σ = 16943201153280. Its totient is φ = 16470146493360.

The previous prime is 16706656607651. The next prime is 16706656607657. The reversal of 16706656607653 is 35670665660761.

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 16706656607653 - 2¹ = 16706656607651 is a prime.

It is a super-2 number, since 2×16706656607653² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16706656607651) 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, 7629750 + ... + 9572167.

It is an arithmetic number, because the mean of its divisors is an integer number (2117900144160).

Almost surely, 2^{16706656607653} is an apocalyptic number.

It is an amenable number.

16706656607653 is a deficient number, since it is larger than the sum of its proper divisors (236544545627).

16706656607653 is a wasteful number, since it uses less digits than its factorization.

16706656607653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17215667.

The product of its (nonzero) digits is 171460800, while the sum is 64.

The spelling of 16706656607653 in words is "sixteen trillion, seven hundred six billion, six hundred fifty-six million, six hundred seven thousand, six hundred fifty-three".