2065665602 has 64 divisors (see below), whose sum is σ = 4199537664. Its totient is φ = 735877440.

The previous prime is 2065665601. The next prime is 2065665607.

2065665602 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2065665601) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 209393 + ... + 219035.

It is an arithmetic number, because the mean of its divisors is an integer number (65617776).

Almost surely, 2^2065665602 is an apocalyptic number.

2065665602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2065665602 is an abundant number, since it is smaller than the sum of its proper divisors (2133872062).

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

2065665602 is a wasteful number, since it uses less digits than its factorization.

2065665602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9783.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 2065665602 is about 45449.5940795955. The cubic root of 2065665602 is about 1273.5617465454.

The spelling of 2065665602 in words is "two billion, sixty-five million, six hundred sixty-five thousand, six hundred two".