3503518668 has 72 divisors (see below), whose sum is σ = 9547906368. Its totient is φ = 1076813568.

The previous prime is 3503518663. The next prime is 3503518687. The reversal of 3503518668 is 8668153053.

3503518668 is a `hidden beast` number, since 3 + 503 + 5 + 1 + 86 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (3503518663) 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 23 ways as a sum of consecutive naturals, for example, 479821 + ... + 487067.

Almost surely, 2^3503518668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3503518668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4773953184).

3503518668 is an abundant number, since it is smaller than the sum of its proper divisors (6044387700).

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

3503518668 is a wasteful number, since it uses less digits than its factorization.

3503518668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8303 (or 8298 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 3503518668 is about 59190.5285328658. The cubic root of 3503518668 is about 1518.8031130742.

The spelling of 3503518668 in words is "three billion, five hundred three million, five hundred eighteen thousand, six hundred sixty-eight".