835345120660 has 12 divisors (see below), whose sum is σ = 1754224753428. Its totient is φ = 334138048256.

The previous prime is 835345120609. The next prime is 835345120667. The reversal of 835345120660 is 66021543538.

It can be written as a sum of positive squares in 2 ways, for example, as 169874216964 + 665470903696 = 412158^2 + 815764^2 .

It is a super-2 number, since 2×835345120660² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (835345120667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20883627997 + ... + 20883628036.

It is an arithmetic number, because the mean of its divisors is an integer number (146185396119).

Almost surely, 2^835345120660 is an apocalyptic number.

It is an amenable number.

835345120660 is an abundant number, since it is smaller than the sum of its proper divisors (918879632768).

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

835345120660 is a wasteful number, since it uses less digits than its factorization.

835345120660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41767256042 (or 41767256040 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 835345120660 in words is "eight hundred thirty-five billion, three hundred forty-five million, one hundred twenty thousand, six hundred sixty".