9661039748610 has 32 divisors (see below), whose sum is σ = 23306632692480. Its totient is φ = 2562928677888.

The previous prime is 9661039748609. The next prime is 9661039748653. The reversal of 9661039748610 is 168479301669.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 834280890 + ... + 834292469.

It is an arithmetic number, because the mean of its divisors is an integer number (728332271640).

Almost surely, 2^{9661039748610} is an apocalyptic number.

9661039748610 is an abundant number, since it is smaller than the sum of its proper divisors (13645592943870).

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

9661039748610 is a wasteful number, since it uses less digits than its factorization.

9661039748610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668573562.

The product of its (nonzero) digits is 11757312, while the sum is 60.

The spelling of 9661039748610 in words is "nine trillion, six hundred sixty-one billion, thirty-nine million, seven hundred forty-eight thousand, six hundred ten".