546440506061 has 4 divisors (see below), whose sum is σ = 559768323324. Its totient is φ = 533112688800.

The previous prime is 546440506039. The next prime is 546440506091. The reversal of 546440506061 is 160605044645.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81836044900 + 464604461161 = 286070^2 + 681619^2 .

It is a cyclic number.

It is not a de Polignac number, because 546440506061 - 2²⁶ = 546373397197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 13327817221 = 546440506061 / (5 + 4 + 6 + 4 + 4 + 0 + 5 + 0 + 6 + 0 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546440506091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6663908570 + ... + 6663908651.

It is an arithmetic number, because the mean of its divisors is an integer number (139942080831).

Almost surely, 2^546440506061 is an apocalyptic number.

It is an amenable number.

546440506061 is a deficient number, since it is larger than the sum of its proper divisors (13327817263).

546440506061 is a wasteful number, since it uses less digits than its factorization.

546440506061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13327817262.

The product of its (nonzero) digits is 345600, while the sum is 41.

It can be divided in two parts, 546440 and 506061, that added together give a palindrome (1052501).

The spelling of 546440506061 in words is "five hundred forty-six billion, four hundred forty million, five hundred six thousand, sixty-one".