466216716521 has 2 divisors, whose sum is σ = 466216716522. Its totient is φ = 466216716520.

The previous prime is 466216716509. The next prime is 466216716541. The reversal of 466216716521 is 125617612664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 463129247296 + 3087469225 = 680536^2 + 55565^2 .

It is a cyclic number.

It is not a de Polignac number, because 466216716521 - 2³⁸ = 191338809577 is a prime.

It is not a weakly prime, because it can be changed into another prime (466216716541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233108358260 + 233108358261.

It is an arithmetic number, because the mean of its divisors is an integer number (233108358261).

Almost surely, 2^466216716521 is an apocalyptic number.

It is an amenable number.

466216716521 is a deficient number, since it is larger than the sum of its proper divisors (1).

466216716521 is an equidigital number, since it uses as much as digits as its factorization.

466216716521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The spelling of 466216716521 in words is "four hundred sixty-six billion, two hundred sixteen million, seven hundred sixteen thousand, five hundred twenty-one".