16655705040719 has 4 divisors (see below), whose sum is σ = 16684976930640. Its totient is φ = 16626433150800.

The previous prime is 16655705040701. The next prime is 16655705040749. The reversal of 16655705040719 is 91704050755661.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16655705040719 - 2⁸ = 16655705040463 is a prime.

It is a super-2 number, since 2×16655705040719² (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 (16655705040749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14635944107 + ... + 14635945244.

It is an arithmetic number, because the mean of its divisors is an integer number (4171244232660).

Almost surely, 2^{16655705040719} is an apocalyptic number.

16655705040719 is a deficient number, since it is larger than the sum of its proper divisors (29271889921).

16655705040719 is an equidigital number, since it uses as much as digits as its factorization.

16655705040719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29271889920.

The product of its (nonzero) digits is 7938000, while the sum is 56.

The spelling of 16655705040719 in words is "sixteen trillion, six hundred fifty-five billion, seven hundred five million, forty thousand, seven hundred nineteen".