545617716545 has 16 divisors (see below), whose sum is σ = 745318115712. Its totient is φ = 379560149760.

The previous prime is 545617716529. The next prime is 545617716557.

545617716545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545617716545 - 2⁴ = 545617716529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 215657912 + ... + 215660441.

It is an arithmetic number, because the mean of its divisors is an integer number (46582382232).

Almost surely, 2^545617716545 is an apocalyptic number.

545617716545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545617716545 is a deficient number, since it is larger than the sum of its proper divisors (199700399167).

545617716545 is a wasteful number, since it uses less digits than its factorization.

545617716545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431318392.

The product of its digits is 17640000, while the sum is 56.

The spelling of 545617716545 in words is "five hundred forty-five billion, six hundred seventeen million, seven hundred sixteen thousand, five hundred forty-five".