6620703964 has 12 divisors (see below), whose sum is σ = 13241407984. Its totient is φ = 2837444544.

The previous prime is 6620703953. The next prime is 6620703997. The reversal of 6620703964 is 4693070266.

6620703964 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6620703964.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118226829 + ... + 118226884.

Almost surely, 2^6620703964 is an apocalyptic number.

It is an amenable number.

6620703964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6620703964 is a wasteful number, since it uses less digits than its factorization.

6620703964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236453724 (or 236453722 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 6620703964 is about 81367.7083614870. The cubic root of 6620703964 is about 1877.7368235717.

The spelling of 6620703964 in words is "six billion, six hundred twenty million, seven hundred three thousand, nine hundred sixty-four".