216067236 has 96 divisors (see below), whose sum is σ = 632282112. Its totient is φ = 55789440.

The previous prime is 216067231. The next prime is 216067249. The reversal of 216067236 is 632760612.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 216067197 and 216067206.

It is not an unprimeable number, because it can be changed into a prime (216067231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181435 + ... + 182621.

It is an arithmetic number, because the mean of its divisors is an integer number (6586272).

Almost surely, 2^216067236 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 216067236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316141056).

216067236 is an abundant number, since it is smaller than the sum of its proper divisors (416214876).

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

216067236 is a wasteful number, since it uses less digits than its factorization.

216067236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409 (or 1407 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 216067236 is about 14699.2256938929. The cubic root of 216067236 is about 600.0622490971.

It can be divided in two parts, 2160 and 67236, that added together give a palindrome (69396).

The spelling of 216067236 in words is "two hundred sixteen million, sixty-seven thousand, two hundred thirty-six".