806194661633 has 8 divisors (see below), whose sum is σ = 829035812352. Its totient is φ = 783408884976.

The previous prime is 806194661599. The next prime is 806194661659. The reversal of 806194661633 is 336166491608.

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-806194661633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (806194661333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13813985 + ... + 13872222.

It is an arithmetic number, because the mean of its divisors is an integer number (103629476544).

Almost surely, 2^806194661633 is an apocalyptic number.

It is an amenable number.

806194661633 is a deficient number, since it is larger than the sum of its proper divisors (22841150719).

806194661633 is a wasteful number, since it uses less digits than its factorization.

806194661633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27687031.

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 806194661633 in words is "eight hundred six billion, one hundred ninety-four million, six hundred sixty-one thousand, six hundred thirty-three".