546323828323661 has 2 divisors, whose sum is σ = 546323828323662. Its totient is φ = 546323828323660.

The previous prime is 546323828323639. The next prime is 546323828323703. The reversal of 546323828323661 is 166323828323645.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 412066858324900 + 134256969998761 = 20299430^2 + 11586931^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-546323828323661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 546323828323594 and 546323828323603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546323828323621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273161914161830 + 273161914161831.

It is an arithmetic number, because the mean of its divisors is an integer number (273161914161831).

Almost surely, 2^{546323828323661} is an apocalyptic number.

It is an amenable number.

546323828323661 is a deficient number, since it is larger than the sum of its proper divisors (1).

546323828323661 is an equidigital number, since it uses as much as digits as its factorization.

546323828323661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 179159040, while the sum is 62.

The spelling of 546323828323661 in words is "five hundred forty-six trillion, three hundred twenty-three billion, eight hundred twenty-eight million, three hundred twenty-three thousand, six hundred sixty-one".