834395166961 has 4 divisors (see below), whose sum is σ = 850138472052. Its totient is φ = 818651861872.

The previous prime is 834395166959. The next prime is 834395166967. The reversal of 834395166961 is 169661593438.

834395166961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 169661593438 = 2 ⋅84830796719.

It can be written as a sum of positive squares in 2 ways, for example, as 226804537600 + 607590629361 = 476240^2 + 779481^2 .

It is a cyclic number.

It is not a de Polignac number, because 834395166961 - 2¹ = 834395166959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 834395166961.

It is not an unprimeable number, because it can be changed into a prime (834395166967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7871652466 + ... + 7871652571.

It is an arithmetic number, because the mean of its divisors is an integer number (212534618013).

Almost surely, 2^834395166961 is an apocalyptic number.

It is an amenable number.

834395166961 is a deficient number, since it is larger than the sum of its proper divisors (15743305091).

834395166961 is a wasteful number, since it uses less digits than its factorization.

834395166961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15743305090.

The product of its digits is 25194240, while the sum is 61.

The spelling of 834395166961 in words is "eight hundred thirty-four billion, three hundred ninety-five million, one hundred sixty-six thousand, nine hundred sixty-one".