966895668 has 18 divisors (see below), whose sum is σ = 2444097474. Its totient is φ = 322298544.

The previous prime is 966895667. The next prime is 966895669. The reversal of 966895668 is 866598669.

966895668 is a `hidden beast` number, since 9 + 6 + 68 + 9 + 566 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (966895667) and next prime (966895669).

It can be written as a sum of positive squares in only one way, i.e., 691269264 + 275626404 = 26292^2 + 16602^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (966895663) 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 5 ways as a sum of consecutive naturals, for example, 13429071 + ... + 13429142.

It is an arithmetic number, because the mean of its divisors is an integer number (135783193).

Almost surely, 2^966895668 is an apocalyptic number.

It is an amenable number.

966895668 is an abundant number, since it is smaller than the sum of its proper divisors (1477201806).

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

966895668 is a wasteful number, since it uses less digits than its factorization.

966895668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26858223 (or 26858218 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 63.

The square root of 966895668 is about 31094.9460202136. The cubic root of 966895668 is about 988.8411662606.

The spelling of 966895668 in words is "nine hundred sixty-six million, eight hundred ninety-five thousand, six hundred sixty-eight".