546727149638161 has 2 divisors, whose sum is σ = 546727149638162. Its totient is φ = 546727149638160.

The previous prime is 546727149638101. The next prime is 546727149638309. The reversal of 546727149638161 is 161836941727645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 323864798107536 + 222862351530625 = 17996244^2 + 14928575^2 .

It is a cyclic number.

It is not a de Polignac number, because 546727149638161 - 2⁴¹ = 544528126382609 is a prime.

It is not a weakly prime, because it can be changed into another prime (546727149638101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273363574819080 + 273363574819081.

It is an arithmetic number, because the mean of its divisors is an integer number (273363574819081).

Almost surely, 2^{546727149638161} is an apocalyptic number.

It is an amenable number.

546727149638161 is a deficient number, since it is larger than the sum of its proper divisors (1).

546727149638161 is an equidigital number, since it uses as much as digits as its factorization.

546727149638161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 365783040, while the sum is 70.

The spelling of 546727149638161 in words is "five hundred forty-six trillion, seven hundred twenty-seven billion, one hundred forty-nine million, six hundred thirty-eight thousand, one hundred sixty-one".