216000007 has 2 divisors, whose sum is σ = 216000008. Its totient is φ = 216000006.

The previous prime is 215999989. The next prime is 216000041. The reversal of 216000007 is 700000612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216000007 - 2²³ = 207611399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216000077) 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, 108000003 + 108000004.

It is an arithmetic number, because the mean of its divisors is an integer number (108000004).

Almost surely, 2^216000007 is an apocalyptic number.

216000007 is a deficient number, since it is larger than the sum of its proper divisors (1).

216000007 is an equidigital number, since it uses as much as digits as its factorization.

216000007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 216000007 is about 14696.9386948439. The cubic root of 216000007 is about 600.0000064815. Note that the first 5 decimals are identical.

Adding to 216000007 its reverse (700000612), we get a palindrome (916000619).

The spelling of 216000007 in words is "two hundred sixteen million, seven", and thus it is an aban number.