10205322163165 has 4 divisors (see below), whose sum is σ = 12246386595804. Its totient is φ = 8164257730528.

The previous prime is 10205322163139. The next prime is 10205322163181. The reversal of 10205322163165 is 56136122350201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5533611683769 + 4671710479396 = 2352363^2 + 2161414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10205322163165 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020532216312 + ... + 1020532216321.

It is an arithmetic number, because the mean of its divisors is an integer number (3061596648951).

Almost surely, 2^{10205322163165} is an apocalyptic number.

It is an amenable number.

10205322163165 is a deficient number, since it is larger than the sum of its proper divisors (2041064432639).

10205322163165 is an equidigital number, since it uses as much as digits as its factorization.

10205322163165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041064432638.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 10205322163165 in words is "ten trillion, two hundred five billion, three hundred twenty-two million, one hundred sixty-three thousand, one hundred sixty-five".