16555266434742 has 32 divisors (see below), whose sum is σ = 37862881440000. Its totient is φ = 4727292068448.

The previous prime is 16555266434683. The next prime is 16555266434779. The reversal of 16555266434742 is 24743466255561.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 115930117 + ... + 116072832.

It is an arithmetic number, because the mean of its divisors is an integer number (1183215045000).

Almost surely, 2^{16555266434742} is an apocalyptic number.

16555266434742 is an abundant number, since it is smaller than the sum of its proper divisors (21307615005258).

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

16555266434742 is a wasteful number, since it uses less digits than its factorization.

16555266434742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232004660.

The product of its digits is 145152000, while the sum is 60.

The spelling of 16555266434742 in words is "sixteen trillion, five hundred fifty-five billion, two hundred sixty-six million, four hundred thirty-four thousand, seven hundred forty-two".