1216676160481 has 2 divisors, whose sum is σ = 1216676160482. Its totient is φ = 1216676160480.

The previous prime is 1216676160457. The next prime is 1216676160529. The reversal of 1216676160481 is 1840616766121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 795870957456 + 420805203025 = 892116^2 + 648695^2 .

It is a cyclic number.

It is not a de Polignac number, because 1216676160481 - 2⁹ = 1216676159969 is a prime.

It is a super-2 number, since 2×1216676160481² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1216676160451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 608338080240 + 608338080241.

It is an arithmetic number, because the mean of its divisors is an integer number (608338080241).

Almost surely, 2^{1216676160481} is an apocalyptic number.

It is an amenable number.

1216676160481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1216676160481 is an equidigital number, since it uses as much as digits as its factorization.

1216676160481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 1216676160481 in words is "one trillion, two hundred sixteen billion, six hundred seventy-six million, one hundred sixty thousand, four hundred eighty-one".