2321855196672 has 320 divisors, whose sum is σ = 7111956234240. Its totient is φ = 665725132800.

The previous prime is 2321855196593. The next prime is 2321855196679. The reversal of 2321855196672 is 2766915581232.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321855196679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283460097 + ... + 283468287.

It is an arithmetic number, because the mean of its divisors is an integer number (22224863232).

Almost surely, 2^{2321855196672} is an apocalyptic number.

2321855196672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2321855196672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3555978117120).

2321855196672 is an abundant number, since it is smaller than the sum of its proper divisors (4790101037568).

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

2321855196672 is a wasteful number, since it uses less digits than its factorization.

2321855196672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9125 (or 9109 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 57.

The spelling of 2321855196672 in words is "two trillion, three hundred twenty-one billion, eight hundred fifty-five million, one hundred ninety-six thousand, six hundred seventy-two".