9961375368 has 32 divisors (see below), whose sum is σ = 28461072960. Its totient is φ = 2846107200.

The previous prime is 9961375339. The next prime is 9961375373. The reversal of 9961375368 is 8635731699.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29646783 + ... + 29647118.

It is an arithmetic number, because the mean of its divisors is an integer number (889408530).

Almost surely, 2^9961375368 is an apocalyptic number.

It is an amenable number.

9961375368 is an abundant number, since it is smaller than the sum of its proper divisors (18499697592).

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

9961375368 is a wasteful number, since it uses less digits than its factorization.

9961375368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59293917 (or 59293913 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 57.

The square root of 9961375368 is about 99806.6899962122. The cubic root of 9961375368 is about 2151.6573028691.

The spelling of 9961375368 in words is "nine billion, nine hundred sixty-one million, three hundred seventy-five thousand, three hundred sixty-eight".