545617716546 has 32 divisors (see below), whose sum is σ = 1262912624640. Its totient is φ = 153917474256.

The previous prime is 545617716529. The next prime is 545617716557. The reversal of 545617716546 is 645617716545.

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, 82217556 + ... + 82224191.

It is an arithmetic number, because the mean of its divisors is an integer number (39466019520).

Almost surely, 2^545617716546 is an apocalyptic number.

545617716546 is an abundant number, since it is smaller than the sum of its proper divisors (717294908094).

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

545617716546 is a wasteful number, since it uses less digits than its factorization.

545617716546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164441838.

The product of its digits is 21168000, while the sum is 57.

Subtracting 545617716546 from its reverse (645617716545), we obtain a palindrome (99999999999).

The spelling of 545617716546 in words is "five hundred forty-five billion, six hundred seventeen million, seven hundred sixteen thousand, five hundred forty-six".