9666125400 has 48 divisors (see below), whose sum is σ = 29964990600. Its totient is φ = 2577633280.

The previous prime is 9666125389. The next prime is 9666125423. The reversal of 9666125400 is 45216669.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8054505 + ... + 8055704.

Almost surely, 2^9666125400 is an apocalyptic number.

It is an amenable number.

9666125400 is an abundant number, since it is smaller than the sum of its proper divisors (20298865200).

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

9666125400 is a wasteful number, since it uses less digits than its factorization.

9666125400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16110228 (or 16110219 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 9666125400 is about 98316.4553876918. The cubic root of 9666125400 is about 2130.1857494119.

The spelling of 9666125400 in words is "nine billion, six hundred sixty-six million, one hundred twenty-five thousand, four hundred".