966626668 has 24 divisors (see below), whose sum is σ = 1935648512. Its totient is φ = 413755344.

The previous prime is 966626629. The next prime is 966626719. The reversal of 966626668 is 866626669.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2071 + ... + 44017.

Almost surely, 2^966626668 is an apocalyptic number.

It is an amenable number.

966626668 is an abundant number, since it is smaller than the sum of its proper divisors (969021844).

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

966626668 is a wasteful number, since it uses less digits than its factorization.

966626668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42781 (or 42779 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 55.

The square root of 966626668 is about 31090.6202575632. The cubic root of 966626668 is about 988.7494559365.

Subtracting from 966626668 its reverse (866626669), we obtain a palindrome (99999999).

The spelling of 966626668 in words is "nine hundred sixty-six million, six hundred twenty-six thousand, six hundred sixty-eight".