816296617 has 4 divisors (see below), whose sum is σ = 826131600. Its totient is φ = 806461636.

The previous prime is 816296609. The next prime is 816296659. The reversal of 816296617 is 716692618.

816296617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 816296617 - 2³ = 816296609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (816296417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4917367 + ... + 4917532.

It is an arithmetic number, because the mean of its divisors is an integer number (206532900).

Almost surely, 2^816296617 is an apocalyptic number.

It is an amenable number.

816296617 is a deficient number, since it is larger than the sum of its proper divisors (9834983).

816296617 is an equidigital number, since it uses as much as digits as its factorization.

816296617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9834982.

The product of its digits is 217728, while the sum is 46.

The square root of 816296617 is about 28570.9050784185. The cubic root of 816296617 is about 934.5789584357.

The spelling of 816296617 in words is "eight hundred sixteen million, two hundred ninety-six thousand, six hundred seventeen".