68266866 has 16 divisors (see below), whose sum is σ = 144565344. Its totient is φ = 21417024.

The previous prime is 68266859. The next prime is 68266871. The reversal of 68266866 is 66866286.

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, 334540 + ... + 334743.

It is an arithmetic number, because the mean of its divisors is an integer number (9035334).

Almost surely, 2^68266866 is an apocalyptic number.

68266866 is an abundant number, since it is smaller than the sum of its proper divisors (76298478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68266866 is a wasteful number, since it uses less digits than its factorization.

68266866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669305.

The product of its digits is 995328, while the sum is 48.

The square root of 68266866 is about 8262.3765346297. The cubic root of 68266866 is about 408.6987617319.

The spelling of 68266866 in words is "sixty-eight million, two hundred sixty-six thousand, eight hundred sixty-six".