6620373064 has 16 divisors (see below), whose sum is σ = 12414492720. Its totient is φ = 3309841680.

The previous prime is 6620373059. The next prime is 6620373079. The reversal of 6620373064 is 4603730266.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50419 + ... + 125629.

It is an arithmetic number, because the mean of its divisors is an integer number (775905795).

Almost surely, 2^6620373064 is an apocalyptic number.

It is an amenable number.

6620373064 is a deficient number, since it is larger than the sum of its proper divisors (5794119656).

6620373064 is a wasteful number, since it uses less digits than its factorization.

6620373064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86220 (or 86216 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 37.

The square root of 6620373064 is about 81365.6749741560. The cubic root of 6620373064 is about 1877.7055402182.

The spelling of 6620373064 in words is "six billion, six hundred twenty million, three hundred seventy-three thousand, sixty-four".