1968656086 has 8 divisors (see below), whose sum is σ = 2953763280. Its totient is φ = 984068328.

The previous prime is 1968656071. The next prime is 1968656099. The reversal of 1968656086 is 6806568691.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 120241 + ... + 135628.

It is an arithmetic number, because the mean of its divisors is an integer number (369220410).

Almost surely, 2^1968656086 is an apocalyptic number.

1968656086 is a deficient number, since it is larger than the sum of its proper divisors (985107194).

1968656086 is a wasteful number, since it uses less digits than its factorization.

1968656086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259718.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The square root of 1968656086 is about 44369.5400697370. The cubic root of 1968656086 is about 1253.3045545835.

The spelling of 1968656086 in words is "one billion, nine hundred sixty-eight million, six hundred fifty-six thousand, eighty-six".