545546464191 has 6 divisors (see below), whose sum is σ = 788011559400. Its totient is φ = 363697642788.

The previous prime is 545546464163. The next prime is 545546464237. The reversal of 545546464191 is 191464645545.

545546464191 is a `hidden beast` number, since 5 + 4 + 5 + 546 + 4 + 6 + 4 + 1 + 91 = 666.

It is not a de Polignac number, because 545546464191 - 2⁵ = 545546464159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545546464121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30308136891 + ... + 30308136908.

It is an arithmetic number, because the mean of its divisors is an integer number (131335259900).

Almost surely, 2^545546464191 is an apocalyptic number.

545546464191 is a deficient number, since it is larger than the sum of its proper divisors (242465095209).

545546464191 is a wasteful number, since it uses less digits than its factorization.

545546464191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60616273805 (or 60616273802 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 54.

The spelling of 545546464191 in words is "five hundred forty-five billion, five hundred forty-six million, four hundred sixty-four thousand, one hundred ninety-one".