816112065 has 8 divisors (see below), whose sum is σ = 1305779328. Its totient is φ = 435259760.

The previous prime is 816112061. The next prime is 816112067. The reversal of 816112065 is 560211618.

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

It is not a de Polignac number, because 816112065 - 2² = 816112061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (816112061) 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, 27203721 + ... + 27203750.

It is an arithmetic number, because the mean of its divisors is an integer number (163222416).

Almost surely, 2^816112065 is an apocalyptic number.

It is an amenable number.

816112065 is a deficient number, since it is larger than the sum of its proper divisors (489667263).

816112065 is a wasteful number, since it uses less digits than its factorization.

816112065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54407479.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 816112065 is about 28567.6751766748. The cubic root of 816112065 is about 934.5085218599.

The spelling of 816112065 in words is "eight hundred sixteen million, one hundred twelve thousand, sixty-five".