545116216605 has 8 divisors (see below), whose sum is σ = 872185946592. Its totient is φ = 290728648848.

The previous prime is 545116216537. The next prime is 545116216613. The reversal of 545116216605 is 506612611545.

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

It is not a de Polignac number, because 545116216605 - 2⁸ = 545116216349 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18170540539 + ... + 18170540568.

It is an arithmetic number, because the mean of its divisors is an integer number (109023243324).

Almost surely, 2^545116216605 is an apocalyptic number.

It is an amenable number.

545116216605 is a deficient number, since it is larger than the sum of its proper divisors (327069729987).

545116216605 is a wasteful number, since it uses less digits than its factorization.

545116216605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36341081115.

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 545116216605 in words is "five hundred forty-five billion, one hundred sixteen million, two hundred sixteen thousand, six hundred five".