1663333164256 has 12 divisors (see below), whose sum is σ = 3274687167192. Its totient is φ = 831666582112.

The previous prime is 1663333164173. The next prime is 1663333164289. The reversal of 1663333164256 is 6524613333661.

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 as a sum of consecutive naturals, namely, 25989580660 + ... + 25989580723.

It is an arithmetic number, because the mean of its divisors is an integer number (272890597266).

Almost surely, 2^{1663333164256} is an apocalyptic number.

1663333164256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1663333164256 is a deficient number, since it is larger than the sum of its proper divisors (1611354002936).

1663333164256 is an equidigital number, since it uses as much as digits as its factorization.

1663333164256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51979161393 (or 51979161385 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 49.

The spelling of 1663333164256 in words is "one trillion, six hundred sixty-three billion, three hundred thirty-three million, one hundred sixty-four thousand, two hundred fifty-six".