1688773380105 has 32 divisors (see below), whose sum is σ = 3101527699200. Its totient is φ = 768639451392.

The previous prime is 1688773380083. The next prime is 1688773380113. The reversal of 1688773380105 is 5010833778861.

It is not a de Polignac number, because 1688773380105 - 2⁷ = 1688773379977 is a prime.

It is a super-2 number, since 2×1688773380105² (a number of 25 digits) contains 22 as substring.

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 in 31 ways as a sum of consecutive naturals, for example, 35092890 + ... + 35140979.

It is an arithmetic number, because the mean of its divisors is an integer number (96922740600).

Almost surely, 2^{1688773380105} is an apocalyptic number.

1688773380105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1688773380105 is a deficient number, since it is larger than the sum of its proper divisors (1412754319095).

1688773380105 is a wasteful number, since it uses less digits than its factorization.

1688773380105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70234113.

The product of its (nonzero) digits is 6773760, while the sum is 57.

The spelling of 1688773380105 in words is "one trillion, six hundred eighty-eight billion, seven hundred seventy-three million, three hundred eighty thousand, one hundred five".