6620002608 has 80 divisors (see below), whose sum is σ = 17707795200. Its totient is φ = 2128600320.

The previous prime is 6620002537. The next prime is 6620002633. The reversal of 6620002608 is 8062000266.

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, 2614303 + ... + 2616833.

It is an arithmetic number, because the mean of its divisors is an integer number (221347440).

Almost surely, 2^6620002608 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 6620002608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8853897600).

6620002608 is an abundant number, since it is smaller than the sum of its proper divisors (11087792592).

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

6620002608 is a wasteful number, since it uses less digits than its factorization.

6620002608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450 (or 4444 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 6620002608 is about 81363.3984540961. The cubic root of 6620002608 is about 1877.6705159956.

The spelling of 6620002608 in words is "six billion, six hundred twenty million, two thousand, six hundred eight".