216920567467 has 2 divisors, whose sum is σ = 216920567468. Its totient is φ = 216920567466.

The previous prime is 216920567419. The next prime is 216920567489. The reversal of 216920567467 is 764765029612.

216920567467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216920567467 is a prime.

It is not a weakly prime, because it can be changed into another prime (216920567267) 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, 108460283733 + 108460283734.

It is an arithmetic number, because the mean of its divisors is an integer number (108460283734).

Almost surely, 2^216920567467 is an apocalyptic number.

216920567467 is a deficient number, since it is larger than the sum of its proper divisors (1).

216920567467 is an equidigital number, since it uses as much as digits as its factorization.

216920567467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 216920567467 in words is "two hundred sixteen billion, nine hundred twenty million, five hundred sixty-seven thousand, four hundred sixty-seven".