6321223164 has 96 divisors (see below), whose sum is σ = 15816487680. Its totient is φ = 1959164928.

The previous prime is 6321223163. The next prime is 6321223171. The reversal of 6321223164 is 4613221236.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6321223163) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2755602 + ... + 2757894.

It is an arithmetic number, because the mean of its divisors is an integer number (164755080).

Almost surely, 2^6321223164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6321223164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7908243840).

6321223164 is an abundant number, since it is smaller than the sum of its proper divisors (9495264516).

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

6321223164 is a wasteful number, since it uses less digits than its factorization.

6321223164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539 (or 2537 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 6321223164 is about 79506.1202927171. The cubic root of 6321223164 is about 1848.9863611022.

The spelling of 6321223164 in words is "six billion, three hundred twenty-one million, two hundred twenty-three thousand, one hundred sixty-four".