16545060056517 has 4 divisors (see below), whose sum is σ = 22060080075360. Its totient is φ = 11030040037676.

The previous prime is 16545060056461. The next prime is 16545060056617. The reversal of 16545060056517 is 71565006054561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16545060056517 - 2⁶ = 16545060056453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16545060056517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545060056117) 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 3 ways as a sum of consecutive naturals, for example, 2757510009417 + ... + 2757510009422.

It is an arithmetic number, because the mean of its divisors is an integer number (5515020018840).

Almost surely, 2^{16545060056517} is an apocalyptic number.

It is an amenable number.

16545060056517 is a deficient number, since it is larger than the sum of its proper divisors (5515020018843).

16545060056517 is an equidigital number, since it uses as much as digits as its factorization.

16545060056517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5515020018842.

The product of its (nonzero) digits is 3780000, while the sum is 51.

The spelling of 16545060056517 in words is "sixteen trillion, five hundred forty-five billion, sixty million, fifty-six thousand, five hundred seventeen".