216072319 has 2 divisors, whose sum is σ = 216072320. Its totient is φ = 216072318.

The previous prime is 216072293. The next prime is 216072401. The reversal of 216072319 is 913270612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216072319 - 2⁷ = 216072191 is a prime.

It is a super-2 number, since 2×216072319² = 93374494076075522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216070319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108036159 + 108036160.

It is an arithmetic number, because the mean of its divisors is an integer number (108036160).

Almost surely, 2^216072319 is an apocalyptic number.

216072319 is a deficient number, since it is larger than the sum of its proper divisors (1).

216072319 is an equidigital number, since it uses as much as digits as its factorization.

216072319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 216072319 is about 14699.3985931398. The cubic root of 216072319 is about 600.0669545652.

The spelling of 216072319 in words is "two hundred sixteen million, seventy-two thousand, three hundred nineteen".