216092647 has 2 divisors, whose sum is σ = 216092648. Its totient is φ = 216092646.

The previous prime is 216092603. The next prime is 216092651. The reversal of 216092647 is 746290612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 216092647 - 2⁷ = 216092519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216092347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108046323 + 108046324.

It is an arithmetic number, because the mean of its divisors is an integer number (108046324).

Almost surely, 2^216092647 is an apocalyptic number.

216092647 is a deficient number, since it is larger than the sum of its proper divisors (1).

216092647 is an equidigital number, since it uses as much as digits as its factorization.

216092647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 216092647 is about 14700.0900337379. The cubic root of 216092647 is about 600.0857719973.

The spelling of 216092647 in words is "two hundred sixteen million, ninety-two thousand, six hundred forty-seven".