216364324 has 24 divisors (see below), whose sum is σ = 434800800. Its totient is φ = 93170880.

The previous prime is 216364319. The next prime is 216364327. The reversal of 216364324 is 423463612.

216364324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (216364327) 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, 128569 + ... + 130240.

It is an arithmetic number, because the mean of its divisors is an integer number (18116700).

Almost surely, 2^216364324 is an apocalyptic number.

It is an amenable number.

216364324 is an abundant number, since it is smaller than the sum of its proper divisors (218436476).

216364324 is a wasteful number, since it uses less digits than its factorization.

216364324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258843 (or 258841 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 216364324 is about 14709.3277888556. The cubic root of 216364324 is about 600.3371475541.

The spelling of 216364324 in words is "two hundred sixteen million, three hundred sixty-four thousand, three hundred twenty-four".