168683555966 has 16 divisors (see below), whose sum is σ = 255275014848. Its totient is φ = 83595110400.

The previous prime is 168683555951. The next prime is 168683555969. The reversal of 168683555966 is 669555386861.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 168683555896 and 168683555905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168683555969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701675 + ... + 910886.

It is an arithmetic number, because the mean of its divisors is an integer number (15954688428).

Almost surely, 2^168683555966 is an apocalyptic number.

168683555966 is a deficient number, since it is larger than the sum of its proper divisors (86591458882).

168683555966 is a wasteful number, since it uses less digits than its factorization.

168683555966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613027.

The product of its digits is 279936000, while the sum is 68.

The spelling of 168683555966 in words is "one hundred sixty-eight billion, six hundred eighty-three million, five hundred fifty-five thousand, nine hundred sixty-six".