9665320098642 has 32 divisors (see below), whose sum is σ = 20817812006208. Its totient is φ = 2973916147776.

The previous prime is 9665320098619. The next prime is 9665320098671. The reversal of 9665320098642 is 2468900235669.

It is a happy number.

It is a super-2 number, since 2×9665320098642² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8481913 + ... + 9553715.

It is an arithmetic number, because the mean of its divisors is an integer number (650556625194).

Almost surely, 2^{9665320098642} is an apocalyptic number.

9665320098642 is an abundant number, since it is smaller than the sum of its proper divisors (11152491907566).

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

9665320098642 is a wasteful number, since it uses less digits than its factorization.

9665320098642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187434.

The product of its (nonzero) digits is 33592320, while the sum is 60.

The spelling of 9665320098642 in words is "nine trillion, six hundred sixty-five billion, three hundred twenty million, ninety-eight thousand, six hundred forty-two".