546238816261 has 8 divisors (see below), whose sum is σ = 547979497344. Its totient is φ = 544499092800.

The previous prime is 546238816259. The next prime is 546238816289. The reversal of 546238816261 is 162618832645.

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 546238816261 - 2¹ = 546238816259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 546238816199 and 546238816208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546238810261) 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, 912036 + ... + 1387186.

It is an arithmetic number, because the mean of its divisors is an integer number (68497437168).

Almost surely, 2^546238816261 is an apocalyptic number.

It is an amenable number.

546238816261 is a deficient number, since it is larger than the sum of its proper divisors (1740681083).

546238816261 is a wasteful number, since it uses less digits than its factorization.

546238816261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478811.

The product of its digits is 3317760, while the sum is 52.

The spelling of 546238816261 in words is "five hundred forty-six billion, two hundred thirty-eight million, eight hundred sixteen thousand, two hundred sixty-one".