132666520563497 has 2 divisors, whose sum is σ = 132666520563498. Its totient is φ = 132666520563496.

The previous prime is 132666520563449. The next prime is 132666520563541. The reversal of 132666520563497 is 794365025666231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131990020893481 + 676499670016 = 11488691^2 + 822496^2 .

It is a cyclic number.

It is not a de Polignac number, because 132666520563497 - 2¹⁸ = 132666520301353 is a prime.

It is not a weakly prime, because it can be changed into another prime (132666520563427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66333260281748 + 66333260281749.

It is an arithmetic number, because the mean of its divisors is an integer number (66333260281749).

Almost surely, 2^{132666520563497} is an apocalyptic number.

It is an amenable number.

132666520563497 is a deficient number, since it is larger than the sum of its proper divisors (1).

132666520563497 is an equidigital number, since it uses as much as digits as its factorization.

132666520563497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 293932800, while the sum is 65.

The spelling of 132666520563497 in words is "one hundred thirty-two trillion, six hundred sixty-six billion, five hundred twenty million, five hundred sixty-three thousand, four hundred ninety-seven".