816495168433 has 16 divisors (see below), whose sum is σ = 967918205056. Its totient is φ = 674213258880.

The previous prime is 816495168431. The next prime is 816495168443. The reversal of 816495168433 is 334861594618.

It is not a de Polignac number, because 816495168433 - 2¹ = 816495168431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (816495168431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18557538 + ... + 18601483.

It is an arithmetic number, because the mean of its divisors is an integer number (60494887816).

Almost surely, 2^816495168433 is an apocalyptic number.

It is an amenable number.

816495168433 is a deficient number, since it is larger than the sum of its proper divisors (151423036623).

816495168433 is a wasteful number, since it uses less digits than its factorization.

816495168433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37159144.

The product of its digits is 14929920, while the sum is 58.

The spelling of 816495168433 in words is "eight hundred sixteen billion, four hundred ninety-five million, one hundred sixty-eight thousand, four hundred thirty-three".