866141668 has 12 divisors (see below), whose sum is σ = 1732283392. Its totient is φ = 371203560.

The previous prime is 866141641. The next prime is 866141677.

866141668 is nontrivially palindromic in base 10.

866141668 is an admirable number.

It is an unprimeable number.

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, 15466788 + ... + 15466843.

Almost surely, 2^866141668 is an apocalyptic number.

It is an amenable number.

866141668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

866141668 is a wasteful number, since it uses less digits than its factorization.

866141668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30933642 (or 30933640 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 866141668 is about 29430.2848779960. The cubic root of 866141668 is about 953.2269461973.

The spelling of 866141668 in words is "eight hundred sixty-six million, one hundred forty-one thousand, six hundred sixty-eight".