806590794816 has 189 divisors, whose sum is σ = 2418323087271. Its totient is φ = 257015810304.

The previous prime is 806590794809. The next prime is 806590794853. The reversal of 806590794816 is 618497095608.

The square root of 806590794816 is 898104.

It is a perfect power (a square), and thus also a powerful number.

806590794816 is a `hidden beast` number, since 8 + 0 + 65 + 90 + 7 + 9 + 481 + 6 = 666.

It is a super-2 number, since 2×806590794816² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 495752595 + ... + 495754221.

Almost surely, 2^806590794816 is an apocalyptic number.

806590794816 is the 898104-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806590794816

806590794816 is an abundant number, since it is smaller than the sum of its proper divisors (1611732292455).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

806590794816 is an equidigital number, since it uses as much as digits as its factorization.

806590794816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318 (or 1655 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 806590794816 in words is "eight hundred six billion, five hundred ninety million, seven hundred ninety-four thousand, eight hundred sixteen".