216203152 has 40 divisors (see below), whose sum is σ = 459345600. Its totient is φ = 97764480.

The previous prime is 216203123. The next prime is 216203177. The reversal of 216203152 is 251302612.

216203152 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 31938 + ... + 38110.

It is an arithmetic number, because the mean of its divisors is an integer number (11483640).

Almost surely, 2^216203152 is an apocalyptic number.

216203152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216203152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229672800).

216203152 is an abundant number, since it is smaller than the sum of its proper divisors (243142448).

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

216203152 is a wasteful number, since it uses less digits than its factorization.

216203152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391 (or 6385 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 216203152 is about 14703.8482037867. The cubic root of 216203152 is about 600.1880447628.

Adding to 216203152 its reverse (251302612), we get a palindrome (467505764).

The spelling of 216203152 in words is "two hundred sixteen million, two hundred three thousand, one hundred fifty-two".