2065580356 has 12 divisors (see below), whose sum is σ = 4131160768. Its totient is φ = 885248712.

The previous prime is 2065580347. The next prime is 2065580357. The reversal of 2065580356 is 6530855602.

2065580356 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2065580357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36885336 + ... + 36885391.

Almost surely, 2^2065580356 is an apocalyptic number.

It is an amenable number.

2065580356 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2065580356 is a wasteful number, since it uses less digits than its factorization.

2065580356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73770738 (or 73770736 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 2065580356 is about 45448.6562617642. The cubic root of 2065580356 is about 1273.5442271660.

The spelling of 2065580356 in words is "two billion, sixty-five million, five hundred eighty thousand, three hundred fifty-six".