216068304 has 40 divisors (see below), whose sum is σ = 587556640. Its totient is φ = 68231808.

The previous prime is 216068287. The next prime is 216068311. The reversal of 216068304 is 403860612.

216068304 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117547 + ... + 119370.

It is an arithmetic number, because the mean of its divisors is an integer number (14688916).

Almost surely, 2^216068304 is an apocalyptic number.

216068304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

216068304 is an abundant number, since it is smaller than the sum of its proper divisors (371488336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216068304 is a wasteful number, since it uses less digits than its factorization.

216068304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236947 (or 236941 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 216068304 is about 14699.2620222921. The cubic root of 216068304 is about 600.0632377792.

The spelling of 216068304 in words is "two hundred sixteen million, sixty-eight thousand, three hundred four".