16555266432613 has 8 divisors (see below), whose sum is σ = 17130275560800. Its totient is φ = 15980533162608.

The previous prime is 16555266432599. The next prime is 16555266432619. The reversal of 16555266432613 is 31623466255561.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16555266432613 - 2²⁵ = 16555232878181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16555266432619) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 68842431 + ... + 69082492.

It is an arithmetic number, because the mean of its divisors is an integer number (2141284445100).

Almost surely, 2^{16555266432613} is an apocalyptic number.

It is an amenable number.

16555266432613 is a deficient number, since it is larger than the sum of its proper divisors (575009128187).

16555266432613 is a wasteful number, since it uses less digits than its factorization.

16555266432613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137929091.

The product of its digits is 23328000, while the sum is 55.

The spelling of 16555266432613 in words is "sixteen trillion, five hundred fifty-five billion, two hundred sixty-six million, four hundred thirty-two thousand, six hundred thirteen".