16655863914426 has 64 divisors (see below), whose sum is σ = 36501242659200. Its totient is φ = 5024848953600.

The previous prime is 16655863914409. The next prime is 16655863914427. The reversal of 16655863914426 is 62441936855661.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 302690796 + ... + 302745816.

It is an arithmetic number, because the mean of its divisors is an integer number (570331916550).

Almost surely, 2^{16655863914426} is an apocalyptic number.

16655863914426 is an abundant number, since it is smaller than the sum of its proper divisors (19845378744774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16655863914426 is a wasteful number, since it uses less digits than its factorization.

16655863914426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75295.

The product of its digits is 223948800, while the sum is 66.

The spelling of 16655863914426 in words is "sixteen trillion, six hundred fifty-five billion, eight hundred sixty-three million, nine hundred fourteen thousand, four hundred twenty-six".