2202171160165 has 24 divisors (see below), whose sum is σ = 2683032780312. Its totient is φ = 1735098140160.

The previous prime is 2202171160139. The next prime is 2202171160177. The reversal of 2202171160165 is 5610611712022.

It can be written as a sum of positive squares in 4 ways, for example, as 865647881604 + 1336523278561 = 930402^2 + 1156081^2 .

It is not a de Polignac number, because 2202171160165 - 2²¹ = 2202169063013 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 2202171160165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10948705 + ... + 11148025.

It is an arithmetic number, because the mean of its divisors is an integer number (111793032513).

Almost surely, 2^{2202171160165} is an apocalyptic number.

It is an amenable number.

2202171160165 is a deficient number, since it is larger than the sum of its proper divisors (480861620147).

2202171160165 is a wasteful number, since it uses less digits than its factorization.

2202171160165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199717 (or 199590 counting only the distinct ones).

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

Adding to 2202171160165 its reverse (5610611712022), we get a palindrome (7812782872187).

The spelling of 2202171160165 in words is "two trillion, two hundred two billion, one hundred seventy-one million, one hundred sixty thousand, one hundred sixty-five".