3520606663 has 4 divisors (see below), whose sum is σ = 4023550480. Its totient is φ = 3017662848.

The previous prime is 3520606613. The next prime is 3520606669. The reversal of 3520606663 is 3666060253.

3520606663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3666060253 = 359 ⋅10211867.

It is a cyclic number.

It is not a de Polignac number, because 3520606663 - 2²⁹ = 2983735751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520606669) 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, 251471898 + ... + 251471911.

It is an arithmetic number, because the mean of its divisors is an integer number (1005887620).

Almost surely, 2^3520606663 is an apocalyptic number.

3520606663 is a deficient number, since it is larger than the sum of its proper divisors (502943817).

3520606663 is an equidigital number, since it uses as much as digits as its factorization.

3520606663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502943816.

The product of its (nonzero) digits is 116640, while the sum is 37.

The square root of 3520606663 is about 59334.7003278857. The cubic root of 3520606663 is about 1521.2683698356.

The spelling of 3520606663 in words is "three billion, five hundred twenty million, six hundred six thousand, six hundred sixty-three".