1683958905676 has 12 divisors (see below), whose sum is σ = 2948878411920. Its totient is φ = 841422216560.

The previous prime is 1683958905617. The next prime is 1683958905677. The reversal of 1683958905676 is 6765098593861.

It is a super-2 number, since 2×1683958905676² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1683958905599 and 1683958905608.

It is not an unprimeable number, because it can be changed into a prime (1683958905677) by changing a digit.

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, 139302271 + ... + 139314358.

It is an arithmetic number, because the mean of its divisors is an integer number (245739867660).

Almost surely, 2^{1683958905676} is an apocalyptic number.

It is an amenable number.

1683958905676 is a deficient number, since it is larger than the sum of its proper divisors (1264919506244).

1683958905676 is a wasteful number, since it uses less digits than its factorization.

1683958905676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278618144 (or 278618142 counting only the distinct ones).

The product of its (nonzero) digits is 587865600, while the sum is 73.

The spelling of 1683958905676 in words is "one trillion, six hundred eighty-three billion, nine hundred fifty-eight million, nine hundred five thousand, six hundred seventy-six".