6668522016 has 48 divisors (see below), whose sum is σ = 18851402304. Its totient is φ = 2051852544.

The previous prime is 6668521973. The next prime is 6668522101. The reversal of 6668522016 is 6102258666.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2670436 + ... + 2672931.

It is an arithmetic number, because the mean of its divisors is an integer number (392737548).

Almost surely, 2^6668522016 is an apocalyptic number.

It is an amenable number.

6668522016 is an abundant number, since it is smaller than the sum of its proper divisors (12182880288).

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

6668522016 is a wasteful number, since it uses less digits than its factorization.

6668522016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5343393 (or 5343385 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 6668522016 is about 81661.0189502923. The cubic root of 6668522016 is about 1882.2466366247.

The spelling of 6668522016 in words is "six billion, six hundred sixty-eight million, five hundred twenty-two thousand, sixteen".