2065653600 has 72 divisors (see below), whose sum is σ = 6723710280. Its totient is φ = 550840320.

The previous prime is 2065653593. The next prime is 2065653637. The reversal of 2065653600 is 63565602.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 427945 + ... + 432744.

It is an arithmetic number, because the mean of its divisors is an integer number (93384865).

Almost surely, 2^2065653600 is an apocalyptic number.

2065653600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2065653600 is an abundant number, since it is smaller than the sum of its proper divisors (4658056680).

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

2065653600 is a wasteful number, since it uses less digits than its factorization.

2065653600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860712 (or 860699 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 2065653600 is about 45449.4620430209. The cubic root of 2065653600 is about 1273.5592799768.

The spelling of 2065653600 in words is "two billion, sixty-five million, six hundred fifty-three thousand, six hundred".