1685168365166 has 32 divisors (see below), whose sum is σ = 2995947628128. Its totient is φ = 700806435840.

The previous prime is 1685168365121. The next prime is 1685168365213. The reversal of 1685168365166 is 6615638615861.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1685168365099 and 1685168365108.

It is a congruent number.

It is an unprimeable number.

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, 26039351 + ... + 26103986.

It is an arithmetic number, because the mean of its divisors is an integer number (93623363379).

Almost surely, 2^{1685168365166} is an apocalyptic number.

1685168365166 is a deficient number, since it is larger than the sum of its proper divisors (1310779262962).

1685168365166 is a wasteful number, since it uses less digits than its factorization.

1685168365166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52143476.

The product of its digits is 37324800, while the sum is 62.

The spelling of 1685168365166 in words is "one trillion, six hundred eighty-five billion, one hundred sixty-eight million, three hundred sixty-five thousand, one hundred sixty-six".