9660425668 has 6 divisors (see below), whose sum is σ = 16905744926. Its totient is φ = 4830212832.

The previous prime is 9660425653. The next prime is 9660425743. The reversal of 9660425668 is 8665240669.

It can be written as a sum of positive squares in only one way, i.e., 7830126144 + 1830299524 = 88488^2 + 42782^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1207553205 + ... + 1207553212.

Almost surely, 2^9660425668 is an apocalyptic number.

It is an amenable number.

9660425668 is a deficient number, since it is larger than the sum of its proper divisors (7245319258).

9660425668 is a wasteful number, since it uses less digits than its factorization.

9660425668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415106421 (or 2415106419 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 52.

The square root of 9660425668 is about 98287.4644499491. The cubic root of 9660425668 is about 2129.7669716489.

The spelling of 9660425668 in words is "nine billion, six hundred sixty million, four hundred twenty-five thousand, six hundred sixty-eight".