9661599060 has 48 divisors (see below), whose sum is σ = 27433510272. Its totient is φ = 2540137600.

The previous prime is 9661599053. The next prime is 9661599089. The reversal of 9661599060 is 609951669.

9661599060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 9661598994 and 9661599012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1129731 + ... + 1138250.

It is an arithmetic number, because the mean of its divisors is an integer number (571531464).

Almost surely, 2^9661599060 is an apocalyptic number.

It is an amenable number.

9661599060 is an abundant number, since it is smaller than the sum of its proper divisors (17771911212).

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

9661599060 is a wasteful number, since it uses less digits than its factorization.

9661599060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268064 (or 2268062 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 51.

The square root of 9661599060 is about 98293.4334531051. The cubic root of 9661599060 is about 2129.8531980202.

The spelling of 9661599060 in words is "nine billion, six hundred sixty-one million, five hundred ninety-nine thousand, sixty".