68663386 has 24 divisors (see below), whose sum is σ = 113954400. Its totient is φ = 31005480.

The previous prime is 68663383. The next prime is 68663393. The reversal of 68663386 is 68336686.

It is not an unprimeable number, because it can be changed into a prime (68663383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39565 + ... + 41263.

It is an arithmetic number, because the mean of its divisors is an integer number (4748100).

Almost surely, 2^68663386 is an apocalyptic number.

68663386 is a deficient number, since it is larger than the sum of its proper divisors (45291014).

68663386 is a wasteful number, since it uses less digits than its factorization.

68663386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890 (or 1879 counting only the distinct ones).

The product of its digits is 746496, while the sum is 46.

The square root of 68663386 is about 8286.3373090890. The cubic root of 68663386 is about 409.4885273857.

The spelling of 68663386 in words is "sixty-eight million, six hundred sixty-three thousand, three hundred eighty-six".