966578875668 has 72 divisors (see below), whose sum is σ = 2830590246848. Its totient is φ = 272382300288.

The previous prime is 966578875643. The next prime is 966578875721. The reversal of 966578875668 is 866578875669.

It is a happy number.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 26253046 + ... + 26289837.

Almost surely, 2^966578875668 is an apocalyptic number.

It is an amenable number.

966578875668 is an abundant number, since it is smaller than the sum of its proper divisors (1864011371180).

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

966578875668 is a wasteful number, since it uses less digits than its factorization.

966578875668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52542973 (or 52542968 counting only the distinct ones).

The product of its digits is 7315660800, while the sum is 81.

Subtracting from 966578875668 its reverse (866578875669), we obtain a palindrome (99999999999).

The spelling of 966578875668 in words is "nine hundred sixty-six billion, five hundred seventy-eight million, eight hundred seventy-five thousand, six hundred sixty-eight".