816065 has 8 divisors (see below), whose sum is σ = 984960. Its totient is φ = 649072.

The previous prime is 816047. The next prime is 816077. The reversal of 816065 is 560618.

816065 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 not a de Polignac number, because 816065 - 2⁸ = 815809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776 + ... + 1494.

It is an arithmetic number, because the mean of its divisors is an integer number (123120).

2⁸¹⁶⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

816065 is a deficient number, since it is larger than the sum of its proper divisors (168895).

816065 is a wasteful number, since it uses less digits than its factorization.

816065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 816065 is about 903.3631606392. The cubic root of 816065 is about 93.4490557215.

The spelling of 816065 in words is "eight hundred sixteen thousand, sixty-five".