1683585285481 has 16 divisors (see below), whose sum is σ = 1886899855680. Its totient is φ = 1488674911680.

The previous prime is 1683585285461. The next prime is 1683585285521. The reversal of 1683585285481 is 1845825853861.

It is a de Polignac number, because none of the positive numbers 2^k-1683585285481 is a prime.

It is a super-2 number, since 2×1683585285481² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1683585285461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555030 + ... + 1917088.

It is an arithmetic number, because the mean of its divisors is an integer number (117931240980).

Almost surely, 2^{1683585285481} is an apocalyptic number.

1683585285481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1683585285481 is a deficient number, since it is larger than the sum of its proper divisors (203314570199).

1683585285481 is a wasteful number, since it uses less digits than its factorization.

1683585285481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365144.

The product of its digits is 73728000, while the sum is 64.

The spelling of 1683585285481 in words is "one trillion, six hundred eighty-three billion, five hundred eighty-five million, two hundred eighty-five thousand, four hundred eighty-one".