6620030516 has 18 divisors (see below), whose sum is σ = 12733985250. Its totient is φ = 3009104560.

The previous prime is 6620030497. The next prime is 6620030587. The reversal of 6620030516 is 6150300266.

It can be written as a sum of positive squares in only one way, i.e., 6518947600 + 101082916 = 80740^2 + 10054^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6838391 + ... + 6839358.

It is an arithmetic number, because the mean of its divisors is an integer number (707443625).

Almost surely, 2^6620030516 is an apocalyptic number.

It is an amenable number.

6620030516 is a deficient number, since it is larger than the sum of its proper divisors (6113954734).

6620030516 is a wasteful number, since it uses less digits than its factorization.

6620030516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13677775 (or 13677762 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 6620030516 is about 81363.5699560928. The cubic root of 6620030516 is about 1877.6731545623.

The spelling of 6620030516 in words is "six billion, six hundred twenty million, thirty thousand, five hundred sixteen".