68566803 has 4 divisors (see below), whose sum is σ = 91422408. Its totient is φ = 45711200.

The previous prime is 68566793. The next prime is 68566807. The reversal of 68566803 is 30866586.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68566803 - 2⁶ = 68566739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68566807) 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 3 ways as a sum of consecutive naturals, for example, 11427798 + ... + 11427803.

It is an arithmetic number, because the mean of its divisors is an integer number (22855602).

Almost surely, 2^68566803 is an apocalyptic number.

68566803 is a deficient number, since it is larger than the sum of its proper divisors (22855605).

68566803 is a wasteful number, since it uses less digits than its factorization.

68566803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22855604.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 68566803 is about 8280.5074119887. The cubic root of 68566803 is about 409.2964396226.

The spelling of 68566803 in words is "sixty-eight million, five hundred sixty-six thousand, eight hundred three".