68212186 has 16 divisors (see below), whose sum is σ = 117078336. Its totient is φ = 29198016.

The previous prime is 68212171. The next prime is 68212217. The reversal of 68212186 is 68121286.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11185 + ... + 16171.

It is an arithmetic number, because the mean of its divisors is an integer number (7317396).

Almost surely, 2^68212186 is an apocalyptic number.

68212186 is a deficient number, since it is larger than the sum of its proper divisors (48866150).

68212186 is a wasteful number, since it uses less digits than its factorization.

68212186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5973.

The product of its digits is 9216, while the sum is 34.

The square root of 68212186 is about 8259.0668964478. The cubic root of 68212186 is about 408.5896135273.

The spelling of 68212186 in words is "sixty-eight million, two hundred twelve thousand, one hundred eighty-six".