2663443662 has 64 divisors (see below), whose sum is σ = 5935762944. Its totient is φ = 789875840.

The previous prime is 2663443649. The next prime is 2663443691.

2663443662 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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, 1947703 + ... + 1949069.

It is an arithmetic number, because the mean of its divisors is an integer number (92746296).

Almost surely, 2^2663443662 is an apocalyptic number.

2663443662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2663443662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2967881472).

2663443662 is an abundant number, since it is smaller than the sum of its proper divisors (3272319282).

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

2663443662 is a wasteful number, since it uses less digits than its factorization.

2663443662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993.

The product of its digits is 746496, while the sum is 42.

The square root of 2663443662 is about 51608.5619059474. The cubic root of 2663443662 is about 1386.1636468171.

The spelling of 2663443662 in words is "two billion, six hundred sixty-three million, four hundred forty-three thousand, six hundred sixty-two".