321158863848 has 16 divisors (see below), whose sum is σ = 802897159680. Its totient is φ = 107052954608.

The previous prime is 321158863813. The next prime is 321158863867. The reversal of 321158863848 is 848368851123.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6690809640 + ... + 6690809687.

It is an arithmetic number, because the mean of its divisors is an integer number (50181072480).

Almost surely, 2^321158863848 is an apocalyptic number.

It is an amenable number.

321158863848 is an abundant number, since it is smaller than the sum of its proper divisors (481738295832).

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

321158863848 is a wasteful number, since it uses less digits than its factorization.

321158863848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13381619336 (or 13381619332 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 57.

The spelling of 321158863848 in words is "three hundred twenty-one billion, one hundred fifty-eight million, eight hundred sixty-three thousand, eight hundred forty-eight".