2165757834306 has 16 divisors (see below), whose sum is σ = 4725289820448. Its totient is φ = 656290252800.

The previous prime is 2165757834209. The next prime is 2165757834307. The reversal of 2165757834306 is 6034387575612.

It is not an unprimeable number, because it can be changed into a prime (2165757834307) 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 7 ways as a sum of consecutive naturals, for example, 16407256255 + ... + 16407256386.

It is an arithmetic number, because the mean of its divisors is an integer number (295330613778).

Almost surely, 2^{2165757834306} is an apocalyptic number.

2165757834306 is an abundant number, since it is smaller than the sum of its proper divisors (2559531986142).

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

2165757834306 is a wasteful number, since it uses less digits than its factorization.

2165757834306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32814512657.

The product of its (nonzero) digits is 25401600, while the sum is 57.

The spelling of 2165757834306 in words is "two trillion, one hundred sixty-five billion, seven hundred fifty-seven million, eight hundred thirty-four thousand, three hundred six".