2216502541165 has 32 divisors (see below), whose sum is σ = 2915194810752. Its totient is φ = 1604460000000.

The previous prime is 2216502541153. The next prime is 2216502541171. The reversal of 2216502541165 is 5611452056122.

It is not a de Polignac number, because 2216502541165 - 2¹³ = 2216502532973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20003415 + ... + 20113915.

It is an arithmetic number, because the mean of its divisors is an integer number (91099837836).

Almost surely, 2^{2216502541165} is an apocalyptic number.

It is an amenable number.

2216502541165 is a deficient number, since it is larger than the sum of its proper divisors (698692269587).

2216502541165 is a wasteful number, since it uses less digits than its factorization.

2216502541165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112221.

The product of its (nonzero) digits is 144000, while the sum is 40.

Adding to 2216502541165 its reverse (5611452056122), we get a palindrome (7827954597287).

The spelling of 2216502541165 in words is "two trillion, two hundred sixteen billion, five hundred two million, five hundred forty-one thousand, one hundred sixty-five".