1663223243334 has 16 divisors (see below), whose sum is σ = 3471074595072. Its totient is φ = 530303063048.

The previous prime is 1663223243333. The next prime is 1663223243369. The reversal of 1663223243334 is 4333423223661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1663223243333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6026171034 + ... + 6026171309.

It is an arithmetic number, because the mean of its divisors is an integer number (216942162192).

Almost surely, 2^{1663223243334} is an apocalyptic number.

1663223243334 is an abundant number, since it is smaller than the sum of its proper divisors (1807851351738).

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

1663223243334 is a wasteful number, since it uses less digits than its factorization.

1663223243334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12052342371.

The product of its digits is 1119744, while the sum is 42.

Adding to 1663223243334 its reverse (4333423223661), we get a palindrome (5996646466995).

The spelling of 1663223243334 in words is "one trillion, six hundred sixty-three billion, two hundred twenty-three million, two hundred forty-three thousand, three hundred thirty-four".