3565525664 has 24 divisors (see below), whose sum is σ = 7024061268. Its totient is φ = 1781637120.

The previous prime is 3565525637. The next prime is 3565525673. The reversal of 3565525664 is 4665255653.

It can be written as a sum of positive squares in 2 ways, for example, as 3559315600 + 6210064 = 59660^2 + 2492^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17504 + ... + 86240.

Almost surely, 2^3565525664 is an apocalyptic number.

It is an amenable number.

3565525664 is a deficient number, since it is larger than the sum of its proper divisors (3458535604).

3565525664 is a wasteful number, since it uses less digits than its factorization.

3565525664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70368 (or 70360 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 47.

The square root of 3565525664 is about 59712.0227759871. The cubic root of 3565525664 is about 1527.7109409989.

The spelling of 3565525664 in words is "three billion, five hundred sixty-five million, five hundred twenty-five thousand, six hundred sixty-four".