216083064881 has 2 divisors, whose sum is σ = 216083064882. Its totient is φ = 216083064880.

The previous prime is 216083064833. The next prime is 216083064971. The reversal of 216083064881 is 188460380612.

216083064881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162119774881 + 53963290000 = 402641^2 + 232300^2 .

It is a cyclic number.

It is not a de Polignac number, because 216083064881 - 2¹⁴ = 216083048497 is a prime.

It is a super-2 number, since 2×216083064881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (216083064781) 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, 108041532440 + 108041532441.

It is an arithmetic number, because the mean of its divisors is an integer number (108041532441).

Almost surely, 2^216083064881 is an apocalyptic number.

It is an amenable number.

216083064881 is a deficient number, since it is larger than the sum of its proper divisors (1).

216083064881 is an equidigital number, since it uses as much as digits as its factorization.

216083064881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 216083064881 in words is "two hundred sixteen billion, eighty-three million, sixty-four thousand, eight hundred eighty-one".