216204750 has 96 divisors (see below), whose sum is σ = 588395808. Its totient is φ = 57283200.

The previous prime is 216204749. The next prime is 216204799. The reversal of 216204750 is 57402612.

216204750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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, 690594 + ... + 690906.

It is an arithmetic number, because the mean of its divisors is an integer number (6129123).

Almost surely, 2^216204750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216204750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294197904).

216204750 is an abundant number, since it is smaller than the sum of its proper divisors (372191058).

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

216204750 is a wasteful number, since it uses less digits than its factorization.

216204750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 216204750 is about 14703.9025432026. The cubic root of 216204750 is about 600.1895234618.

The spelling of 216204750 in words is "two hundred sixteen million, two hundred four thousand, seven hundred fifty".