216133301 has 8 divisors (see below), whose sum is σ = 219547584. Its totient is φ = 212729440.

The previous prime is 216133297. The next prime is 216133321. The reversal of 216133301 is 103331612.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 216133301 - 2² = 216133297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216133321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46265 + ... + 50721.

It is an arithmetic number, because the mean of its divisors is an integer number (27443448).

Almost surely, 2^216133301 is an apocalyptic number.

It is an amenable number.

216133301 is a deficient number, since it is larger than the sum of its proper divisors (3414283).

216133301 is an equidigital number, since it uses as much as digits as its factorization.

216133301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5211.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 216133301 is about 14701.4727493541. The cubic root of 216133301 is about 600.1234014702.

Adding to 216133301 its reverse (103331612), we get a palindrome (319464913).

The spelling of 216133301 in words is "two hundred sixteen million, one hundred thirty-three thousand, three hundred one".