9660189481 has 8 divisors (see below), whose sum is σ = 9726052320. Its totient is φ = 9594459168.

The previous prime is 9660189337. The next prime is 9660189493. The reversal of 9660189481 is 1849810669.

9660189481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9660189481 - 2¹⁵ = 9660156713 is a prime.

It is a super-2 number, since 2×9660189481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9660181481) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 115405 + ... + 180661.

It is an arithmetic number, because the mean of its divisors is an integer number (1215756540).

Almost surely, 2^9660189481 is an apocalyptic number.

It is an amenable number.

9660189481 is a deficient number, since it is larger than the sum of its proper divisors (65862839).

9660189481 is a wasteful number, since it uses less digits than its factorization.

9660189481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66263.

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 9660189481 is about 98286.2629312968. The cubic root of 9660189481 is about 2129.7496146714.

The spelling of 9660189481 in words is "nine billion, six hundred sixty million, one hundred eighty-nine thousand, four hundred eighty-one".