216301607 has 2 divisors, whose sum is σ = 216301608. Its totient is φ = 216301606.

The previous prime is 216301577. The next prime is 216301619. The reversal of 216301607 is 706103612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 216301607 - 2⁶ = 216301543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216301307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108150803 + 108150804.

It is an arithmetic number, because the mean of its divisors is an integer number (108150804).

Almost surely, 2^216301607 is an apocalyptic number.

216301607 is a deficient number, since it is larger than the sum of its proper divisors (1).

216301607 is an equidigital number, since it uses as much as digits as its factorization.

216301607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 216301607 is about 14707.1957558197. The cubic root of 216301607 is about 600.2791358592.

The spelling of 216301607 in words is "two hundred sixteen million, three hundred one thousand, six hundred seven".