16655863914425 has 24 divisors (see below), whose sum is σ = 20795664304800. Its totient is φ = 13233018286080.

The previous prime is 16655863914409. The next prime is 16655863914427. The reversal of 16655863914425 is 52441936855661.

It is not a de Polignac number, because 16655863914425 - 2⁴ = 16655863914409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16655863914427) 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 23 ways as a sum of consecutive naturals, for example, 1021262 + ... + 5861288.

It is an arithmetic number, because the mean of its divisors is an integer number (866486012700).

Almost surely, 2^{16655863914425} is an apocalyptic number.

It is an amenable number.

16655863914425 is a deficient number, since it is larger than the sum of its proper divisors (4139800390375).

16655863914425 is a wasteful number, since it uses less digits than its factorization.

16655863914425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840985 (or 4840980 counting only the distinct ones).

The product of its digits is 186624000, while the sum is 65.

The spelling of 16655863914425 in words is "sixteen trillion, six hundred fifty-five billion, eight hundred sixty-three million, nine hundred fourteen thousand, four hundred twenty-five".