216305067 has 8 divisors (see below), whose sum is σ = 314625600. Its totient is φ = 131093960.

The previous prime is 216305021. The next prime is 216305069. The reversal of 216305067 is 760503612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 216305067 - 2¹⁰ = 216304043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216305069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3277317 + ... + 3277382.

It is an arithmetic number, because the mean of its divisors is an integer number (39328200).

Almost surely, 2^216305067 is an apocalyptic number.

216305067 is a deficient number, since it is larger than the sum of its proper divisors (98320533).

216305067 is a wasteful number, since it uses less digits than its factorization.

216305067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6554713.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 216305067 is about 14707.3133848436. The cubic root of 216305067 is about 600.2823365670.

Adding to 216305067 its reverse (760503612), we get a palindrome (976808679).

The spelling of 216305067 in words is "two hundred sixteen million, three hundred five thousand, sixty-seven".