9666843750 has 336 divisors, whose sum is σ = 29005878720. Its totient is φ = 2405700000.

The previous prime is 9666843733. The next prime is 9666843761. The reversal of 9666843750 is 573486669.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 167 ways as a sum of consecutive naturals, for example, 144281217 + ... + 144281283.

It is an arithmetic number, because the mean of its divisors is an integer number (86327020).

Almost surely, 2^9666843750 is an apocalyptic number.

9666843750 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9666843750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14502939360).

9666843750 is an abundant number, since it is smaller than the sum of its proper divisors (19339034970).

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

9666843750 is an frugal number, since it uses more digits than its factorization.

9666843750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The square root of 9666843750 is about 98320.1085739840. The cubic root of 9666843750 is about 2130.2385172296.

The spelling of 9666843750 in words is "nine billion, six hundred sixty-six million, eight hundred forty-three thousand, seven hundred fifty".