68685166 has 24 divisors (see below), whose sum is σ = 117162360. Its totient is φ = 30140880.

The previous prime is 68685163. The next prime is 68685179. The reversal of 68685166 is 66158686.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68685161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2125 + ... + 11911.

It is an arithmetic number, because the mean of its divisors is an integer number (4881765).

Almost surely, 2^68685166 is an apocalyptic number.

68685166 is a deficient number, since it is larger than the sum of its proper divisors (48477194).

68685166 is a wasteful number, since it uses less digits than its factorization.

68685166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9840 (or 9829 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 68685166 is about 8287.6514164147. The cubic root of 68685166 is about 409.5318193438.

The spelling of 68685166 in words is "sixty-eight million, six hundred eighty-five thousand, one hundred sixty-six".