2265143320166 has 16 divisors (see below), whose sum is σ = 3412533448656. Its totient is φ = 1127636299776.

The previous prime is 2265143320109. The next prime is 2265143320207. The reversal of 2265143320166 is 6610233415622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67325 + ... + 2129511.

It is an arithmetic number, because the mean of its divisors is an integer number (213283340541).

Almost surely, 2^{2265143320166} is an apocalyptic number.

2265143320166 is a deficient number, since it is larger than the sum of its proper divisors (1147390128490).

2265143320166 is a wasteful number, since it uses less digits than its factorization.

2265143320166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064583.

The product of its (nonzero) digits is 311040, while the sum is 41.

Adding to 2265143320166 its reverse (6610233415622), we get a palindrome (8875376735788).

The spelling of 2265143320166 in words is "two trillion, two hundred sixty-five billion, one hundred forty-three million, three hundred twenty thousand, one hundred sixty-six".