1663233043120 has 80 divisors (see below), whose sum is σ = 4218870680352. Its totient is φ = 604768020480.

The previous prime is 1663233043117. The next prime is 1663233043223. The reversal of 1663233043120 is 213403323661.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13572844 + ... + 13694836.

Almost surely, 2^{1663233043120} is an apocalyptic number.

1663233043120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1663233043120 is an abundant number, since it is smaller than the sum of its proper divisors (2555637637232).

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

1663233043120 is a wasteful number, since it uses less digits than its factorization.

1663233043120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137510 (or 137504 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 34.

Adding to 1663233043120 its reverse (213403323661), we get a palindrome (1876636366781).

The spelling of 1663233043120 in words is "one trillion, six hundred sixty-three billion, two hundred thirty-three million, forty-three thousand, one hundred twenty".