2163448443612 has 48 divisors (see below), whose sum is σ = 5075853834240. Its totient is φ = 717187268928.

The previous prime is 2163448443593. The next prime is 2163448443613.

2163448443612 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163448443613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1041873 + ... + 2326455.

It is an arithmetic number, because the mean of its divisors is an integer number (105746954880).

Almost surely, 2^{2163448443612} is an apocalyptic number.

It is an amenable number.

2163448443612 is an abundant number, since it is smaller than the sum of its proper divisors (2912405390628).

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

2163448443612 is a wasteful number, since it uses less digits than its factorization.

2163448443612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285362 (or 1285360 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 48.

The spelling of 2163448443612 in words is "two trillion, one hundred sixty-three billion, four hundred forty-eight million, four hundred forty-three thousand, six hundred twelve".