8321485646 has 16 divisors (see below), whose sum is σ = 12793228800. Its totient is φ = 4057390008.

The previous prime is 8321485607. The next prime is 8321485663. The reversal of 8321485646 is 6465841238.

It is a self number, because there is not a number n which added to its sum of digits gives 8321485646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24926 + ... + 131393.

It is an arithmetic number, because the mean of its divisors is an integer number (799576800).

Almost surely, 2^8321485646 is an apocalyptic number.

8321485646 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

8321485646 is a deficient number, since it is larger than the sum of its proper divisors (4471743154).

8321485646 is a wasteful number, since it uses less digits than its factorization.

8321485646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156983.

The product of its digits is 1105920, while the sum is 47.

The square root of 8321485646 is about 91222.1773802840. The cubic root of 8321485646 is about 2026.4394091334.

The spelling of 8321485646 in words is "eight billion, three hundred twenty-one million, four hundred eighty-five thousand, six hundred forty-six".