961795665271 has 8 divisors (see below), whose sum is σ = 1100723834880. Its totient is φ = 823249692888.

The previous prime is 961795665241. The next prime is 961795665283. The reversal of 961795665271 is 172566597169.

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

It is not a de Polignac number, because 961795665271 - 2¹¹ = 961795663223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961795665241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95543911 + ... + 95553976.

It is an arithmetic number, because the mean of its divisors is an integer number (137590479360).

Almost surely, 2^961795665271 is an apocalyptic number.

961795665271 is a deficient number, since it is larger than the sum of its proper divisors (138928169609).

961795665271 is a wasteful number, since it uses less digits than its factorization.

961795665271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191098613.

The product of its digits is 42865200, while the sum is 64.

The spelling of 961795665271 in words is "nine hundred sixty-one billion, seven hundred ninety-five million, six hundred sixty-five thousand, two hundred seventy-one".