546216536221 has 8 divisors (see below), whose sum is σ = 556328563200. Its totient is φ = 536171699280.

The previous prime is 546216536207. The next prime is 546216536251. The reversal of 546216536221 is 122635612645.

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

It is a cyclic number.

It is not a de Polignac number, because 546216536221 - 2³¹ = 544069052573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546216536251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16781101 + ... + 16813618.

It is an arithmetic number, because the mean of its divisors is an integer number (69541070400).

Almost surely, 2^546216536221 is an apocalyptic number.

It is an amenable number.

546216536221 is a deficient number, since it is larger than the sum of its proper divisors (10112026979).

546216536221 is a wasteful number, since it uses less digits than its factorization.

546216536221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33595019.

The product of its digits is 518400, while the sum is 43.

The spelling of 546216536221 in words is "five hundred forty-six billion, two hundred sixteen million, five hundred thirty-six thousand, two hundred twenty-one".