3520016668 has 48 divisors (see below), whose sum is σ = 7461236160. Its totient is φ = 1418489856.

The previous prime is 3520016639. The next prime is 3520016681. The reversal of 3520016668 is 8666100253.

3520016668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610696 + ... + 616432.

It is an arithmetic number, because the mean of its divisors is an integer number (155442420).

Almost surely, 2^3520016668 is an apocalyptic number.

It is an amenable number.

3520016668 is an abundant number, since it is smaller than the sum of its proper divisors (3941219492).

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

3520016668 is a wasteful number, since it uses less digits than its factorization.

3520016668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7054 (or 7052 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 3520016668 is about 59329.7283661404. The cubic root of 3520016668 is about 1521.1833853467.

The spelling of 3520016668 in words is "three billion, five hundred twenty million, sixteen thousand, six hundred sixty-eight".