9666987340 has 24 divisors (see below), whose sum is σ = 20375595072. Its totient is φ = 3852524160.

The previous prime is 9666987289. The next prime is 9666987347. The reversal of 9666987340 is 437896669.

It is not an unprimeable number, because it can be changed into a prime (9666987347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 886369 + ... + 897208.

It is an arithmetic number, because the mean of its divisors is an integer number (848983128).

Almost surely, 2^9666987340 is an apocalyptic number.

It is an amenable number.

9666987340 is an abundant number, since it is smaller than the sum of its proper divisors (10708607732).

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

9666987340 is a wasteful number, since it uses less digits than its factorization.

9666987340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783857 (or 1783855 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 58.

The square root of 9666987340 is about 98320.8387881226. The cubic root of 9666987340 is about 2130.2490646030.

The spelling of 9666987340 in words is "nine billion, six hundred sixty-six million, nine hundred eighty-seven thousand, three hundred forty".