540664160213 has 2 divisors, whose sum is σ = 540664160214. Its totient is φ = 540664160212.

The previous prime is 540664160173. The next prime is 540664160243. The reversal of 540664160213 is 312061466045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 539494657009 + 1169503204 = 734503^2 + 34198^2 .

It is a cyclic number.

It is not a de Polignac number, because 540664160213 - 2³⁸ = 265786253269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540664160243) 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 as a sum of consecutive naturals, namely, 270332080106 + 270332080107.

It is an arithmetic number, because the mean of its divisors is an integer number (270332080107).

Almost surely, 2^540664160213 is an apocalyptic number.

It is an amenable number.

540664160213 is a deficient number, since it is larger than the sum of its proper divisors (1).

540664160213 is an equidigital number, since it uses as much as digits as its factorization.

540664160213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 540664160213 in words is "five hundred forty billion, six hundred sixty-four million, one hundred sixty thousand, two hundred thirteen".