1022160712165 has 4 divisors (see below), whose sum is σ = 1226592854604. Its totient is φ = 817728569728.

The previous prime is 1022160712163. The next prime is 1022160712241. The reversal of 1022160712165 is 5612170612201.

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 297820141441 + 724340570724 = 545729^2 + 851082^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022160712165 - 2¹ = 1022160712163 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 1022160712165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022160712163) 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, 102216071212 + ... + 102216071221.

It is an arithmetic number, because the mean of its divisors is an integer number (306648213651).

Almost surely, 2^{1022160712165} is an apocalyptic number.

It is an amenable number.

1022160712165 is a deficient number, since it is larger than the sum of its proper divisors (204432142439).

1022160712165 is an equidigital number, since it uses as much as digits as its factorization.

1022160712165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204432142438.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 1022160712165 in words is "one trillion, twenty-two billion, one hundred sixty million, seven hundred twelve thousand, one hundred sixty-five".