2165034757120 has 44 divisors (see below), whose sum is σ = 5193546279264. Its totient is φ = 866013900800.

The previous prime is 2165034757111. The next prime is 2165034757153. The reversal of 2165034757120 is 217574305612.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211424056 + ... + 211434295.

Almost surely, 2^{2165034757120} is an apocalyptic number.

2165034757120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2165034757120 is an abundant number, since it is smaller than the sum of its proper divisors (3028511522144).

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

2165034757120 is an equidigital number, since it uses as much as digits as its factorization.

2165034757120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422858376 (or 422858358 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 2165034757120 in words is "two trillion, one hundred sixty-five billion, thirty-four million, seven hundred fifty-seven thousand, one hundred twenty".