2165103573376 has 32 divisors (see below), whose sum is σ = 4567015354680. Its totient is φ = 1018872268800.

The previous prime is 2165103573329. The next prime is 2165103573377. The reversal of 2165103573376 is 6733753015612.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2165103573377) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 497494050 + ... + 497498401.

Almost surely, 2^{2165103573376} is an apocalyptic number.

It is an amenable number.

2165103573376 is an abundant number, since it is smaller than the sum of its proper divisors (2401911781304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2165103573376 is an equidigital number, since it uses as much as digits as its factorization.

2165103573376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994992482 (or 994992470 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 49.

Adding to 2165103573376 its reverse (6733753015612), we get a palindrome (8898856588988).

The spelling of 2165103573376 in words is "two trillion, one hundred sixty-five billion, one hundred three million, five hundred seventy-three thousand, three hundred seventy-six".