6620716016 has 20 divisors (see below), whose sum is σ = 12830449632. Its totient is φ = 3309632256.

The previous prime is 6620716013. The next prime is 6620716033. The reversal of 6620716016 is 6106170266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6620716013) 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, 34121 + ... + 120023.

Almost surely, 2^6620716016 is an apocalyptic number.

It is an amenable number.

6620716016 is a deficient number, since it is larger than the sum of its proper divisors (6209733616).

6620716016 is a wasteful number, since it uses less digits than its factorization.

6620716016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90728 (or 90722 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 6620716016 is about 81367.7824203167. The cubic root of 6620716016 is about 1877.7379629505.

The spelling of 6620716016 in words is "six billion, six hundred twenty million, seven hundred sixteen thousand, sixteen".