83643321056 has 24 divisors (see below), whose sum is σ = 164722912200. Its totient is φ = 41808930688.

The previous prime is 83643321049. The next prime is 83643321071. The reversal of 83643321056 is 65012334638.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 290591 + ... + 501726.

It is an arithmetic number, because the mean of its divisors is an integer number (6863454675).

Almost surely, 2^83643321056 is an apocalyptic number.

It is an amenable number.

83643321056 is a deficient number, since it is larger than the sum of its proper divisors (81079591144).

83643321056 is a wasteful number, since it uses less digits than its factorization.

83643321056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795626 (or 795618 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 83643321056 in words is "eighty-three billion, six hundred forty-three million, three hundred twenty-one thousand, fifty-six".