16555276140641 has 16 divisors (see below), whose sum is σ = 19433207823744. Its totient is φ = 13805628004224.

The previous prime is 16555276140617. The next prime is 16555276140671. The reversal of 16555276140641 is 14604167255561.

It is not a de Polignac number, because 16555276140641 - 2¹⁰ = 16555276139617 is a prime.

It is a super-2 number, since 2×16555276140641² (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 (16555276140671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778706 + ... + 5806628.

It is an arithmetic number, because the mean of its divisors is an integer number (1214575488984).

Almost surely, 2^{16555276140641} is an apocalyptic number.

It is an amenable number.

16555276140641 is a deficient number, since it is larger than the sum of its proper divisors (2877931683103).

16555276140641 is a wasteful number, since it uses less digits than its factorization.

16555276140641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5040680.

The product of its (nonzero) digits is 6048000, while the sum is 53.

The spelling of 16555276140641 in words is "sixteen trillion, five hundred fifty-five billion, two hundred seventy-six million, one hundred forty thousand, six hundred forty-one".