216324601 has 16 divisors (see below), whose sum is σ = 227525760. Its totient is φ = 205408000.

The previous prime is 216324553. The next prime is 216324631. The reversal of 216324601 is 106423612.

It is a cyclic number.

It is not a de Polignac number, because 216324601 - 2¹¹ = 216322553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216324631) 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 in 15 ways as a sum of consecutive naturals, for example, 822396 + ... + 822658.

It is an arithmetic number, because the mean of its divisors is an integer number (14220360).

Almost surely, 2^216324601 is an apocalyptic number.

It is an amenable number.

216324601 is a deficient number, since it is larger than the sum of its proper divisors (11201159).

216324601 is a wasteful number, since it uses less digits than its factorization.

216324601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 216324601 is about 14707.9774612283. The cubic root of 216324601 is about 600.3004060501.

The spelling of 216324601 in words is "two hundred sixteen million, three hundred twenty-four thousand, six hundred one".