3660243653 has 32 divisors (see below), whose sum is σ = 4139942400. Its totient is φ = 3207859200.

The previous prime is 3660243647. The next prime is 3660243703. The reversal of 3660243653 is 3563420663.

3660243653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3660243653 - 2¹⁴ = 3660227269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3660243953) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15187613 + ... + 15187853.

It is an arithmetic number, because the mean of its divisors is an integer number (129373200).

Almost surely, 2^3660243653 is an apocalyptic number.

It is an amenable number.

3660243653 is a deficient number, since it is larger than the sum of its proper divisors (479698747).

3660243653 is a wasteful number, since it uses less digits than its factorization.

3660243653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653.

The product of its (nonzero) digits is 233280, while the sum is 38.

The square root of 3660243653 is about 60499.9475454318. The cubic root of 3660243653 is about 1541.1207410739.

The spelling of 3660243653 in words is "three billion, six hundred sixty million, two hundred forty-three thousand, six hundred fifty-three".