16655863914419 has 4 divisors (see below), whose sum is σ = 16657327148496. Its totient is φ = 16654400680344.

The previous prime is 16655863914409. The next prime is 16655863914427. The reversal of 16655863914419 is 91441936855661.

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 16655863914419 - 2⁸ = 16655863914163 is a prime.

It is a super-2 number, since 2×16655863914419² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16655863914409) 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, 731599964 + ... + 731622729.

It is an arithmetic number, because the mean of its divisors is an integer number (4164331787124).

Almost surely, 2^{16655863914419} is an apocalyptic number.

16655863914419 is a deficient number, since it is larger than the sum of its proper divisors (1463234077).

16655863914419 is a wasteful number, since it uses less digits than its factorization.

16655863914419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463234076.

The product of its digits is 167961600, while the sum is 68.

The spelling of 16655863914419 in words is "sixteen trillion, six hundred fifty-five billion, eight hundred sixty-three million, nine hundred fourteen thousand, four hundred nineteen".