2065591136 has 24 divisors (see below), whose sum is σ = 4647580560. Its totient is φ = 885253248.

The previous prime is 2065591127. The next prime is 2065591147. The reversal of 2065591136 is 6311955602.

It is a super-2 number, since 2×2065591136² = 8533333482243540992, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2065591136.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4610471 + ... + 4610918.

It is an arithmetic number, because the mean of its divisors is an integer number (193649190).

Almost surely, 2^2065591136 is an apocalyptic number.

It is an amenable number.

2065591136 is an abundant number, since it is smaller than the sum of its proper divisors (2581989424).

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

2065591136 is an equidigital number, since it uses as much as digits as its factorization.

2065591136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9221406 (or 9221398 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 2065591136 is about 45448.7748569750. The cubic root of 2065591136 is about 1273.5464426503.

The spelling of 2065591136 in words is "two billion, sixty-five million, five hundred ninety-one thousand, one hundred thirty-six".