216059004 has 144 divisors (see below), whose sum is σ = 647815168. Its totient is φ = 59439744.

The previous prime is 216058993. The next prime is 216059017. The reversal of 216059004 is 400950612.

216059004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1376094 + ... + 1376250.

Almost surely, 2^216059004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216059004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323907584).

216059004 is an abundant number, since it is smaller than the sum of its proper divisors (431756164).

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

216059004 is a wasteful number, since it uses less digits than its factorization.

216059004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 216059004 is about 14698.9456764763. The cubic root of 216059004 is about 600.0546283594.

The spelling of 216059004 in words is "two hundred sixteen million, fifty-nine thousand, four".