6620326902 has 48 divisors (see below), whose sum is σ = 17255996160. Its totient is φ = 1791967536.

The previous prime is 6620326873. The next prime is 6620326907. The reversal of 6620326902 is 2096230266.

6620326902 is a `hidden beast` number, since 6 + 620 + 3 + 26 + 9 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6620326907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1380298 + ... + 1385085.

It is an arithmetic number, because the mean of its divisors is an integer number (359499920).

Almost surely, 2^6620326902 is an apocalyptic number.

6620326902 is an abundant number, since it is smaller than the sum of its proper divisors (10635669258).

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

6620326902 is a wasteful number, since it uses less digits than its factorization.

6620326902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765417 (or 2765414 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 6620326902 is about 81365.3913036741. The cubic root of 6620326902 is about 1877.7011759705.

The spelling of 6620326902 in words is "six billion, six hundred twenty million, three hundred twenty-six thousand, nine hundred two".