816334271 has 8 divisors (see below), whose sum is σ = 865617264. Its totient is φ = 767191680.

The previous prime is 816334247. The next prime is 816334289. The reversal of 816334271 is 172433618.

816334271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-816334271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816334241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23000 + ... + 46493.

It is an arithmetic number, because the mean of its divisors is an integer number (108202158).

Almost surely, 2^816334271 is an apocalyptic number.

816334271 is a deficient number, since it is larger than the sum of its proper divisors (49282993).

816334271 is a wasteful number, since it uses less digits than its factorization.

816334271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70201.

The product of its digits is 24192, while the sum is 35.

The square root of 816334271 is about 28571.5640278932. The cubic root of 816334271 is about 934.5933282511.

Adding to 816334271 its reverse (172433618), we get a palindrome (988767889).

The spelling of 816334271 in words is "eight hundred sixteen million, three hundred thirty-four thousand, two hundred seventy-one".