805646632056 has 64 divisors (see below), whose sum is σ = 2301919948800. Its totient is φ = 230177509248.

The previous prime is 805646632019. The next prime is 805646632067. The reversal of 805646632056 is 650236646508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7591810 + ... + 7697198.

It is an arithmetic number, because the mean of its divisors is an integer number (35967499200).

Almost surely, 2^805646632056 is an apocalyptic number.

It is an amenable number.

805646632056 is an abundant number, since it is smaller than the sum of its proper divisors (1496273316744).

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

805646632056 is a wasteful number, since it uses less digits than its factorization.

805646632056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150908 (or 150904 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 51.

The spelling of 805646632056 in words is "eight hundred five billion, six hundred forty-six million, six hundred thirty-two thousand, fifty-six".