216306033 has 8 divisors (see below), whose sum is σ = 296203008. Its totient is φ = 140306544.

The previous prime is 216305987. The next prime is 216306043. The reversal of 216306033 is 330603612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216306033 - 2¹³ = 216297841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216305994 and 216306012.

It is not an unprimeable number, because it can be changed into a prime (216306043) 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 7 ways as a sum of consecutive naturals, for example, 974241 + ... + 974462.

It is an arithmetic number, because the mean of its divisors is an integer number (37025376).

Almost surely, 2^216306033 is an apocalyptic number.

It is an amenable number.

216306033 is a deficient number, since it is larger than the sum of its proper divisors (79896975).

216306033 is a wasteful number, since it uses less digits than its factorization.

216306033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948743.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 216306033 is about 14707.3462256112. The cubic root of 216306033 is about 600.2832301690.

Adding to 216306033 its reverse (330603612), we get a palindrome (546909645).

The spelling of 216306033 in words is "two hundred sixteen million, three hundred six thousand, thirty-three".