168362805460 has 12 divisors (see below), whose sum is σ = 353561891508. Its totient is φ = 67345122176.

The previous prime is 168362805439. The next prime is 168362805493. The reversal of 168362805460 is 64508263861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 59358500496 + 109004304964 = 243636^2 + 330158^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4209070117 + ... + 4209070156.

It is an arithmetic number, because the mean of its divisors is an integer number (29463490959).

Almost surely, 2^168362805460 is an apocalyptic number.

168362805460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168362805460 is an abundant number, since it is smaller than the sum of its proper divisors (185199086048).

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

168362805460 is a wasteful number, since it uses less digits than its factorization.

168362805460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8418140282 (or 8418140280 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 168362805460 in words is "one hundred sixty-eight billion, three hundred sixty-two million, eight hundred five thousand, four hundred sixty".