1663323311246 has 8 divisors (see below), whose sum is σ = 2496434701824. Its totient is φ = 831178410640.

The previous prime is 1663323311233. The next prime is 1663323311263. The reversal of 1663323311246 is 6421133233661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 241618190 + ... + 241625073.

It is an arithmetic number, because the mean of its divisors is an integer number (312054337728).

Almost surely, 2^{1663323311246} is an apocalyptic number.

1663323311246 is a deficient number, since it is larger than the sum of its proper divisors (833111390578).

1663323311246 is a wasteful number, since it uses less digits than its factorization.

1663323311246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483244986.

The product of its digits is 279936, while the sum is 41.

The spelling of 1663323311246 in words is "one trillion, six hundred sixty-three billion, three hundred twenty-three million, three hundred eleven thousand, two hundred forty-six".