6720553903268 has 24 divisors (see below), whose sum is σ = 11766243148800. Its totient is φ = 3358770484608.

The previous prime is 6720553903207. The next prime is 6720553903291. The reversal of 6720553903268 is 8623093550276.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89858873 + ... + 89933631.

It is an arithmetic number, because the mean of its divisors is an integer number (490260131200).

Almost surely, 2^{6720553903268} is an apocalyptic number.

It is an amenable number.

6720553903268 is a deficient number, since it is larger than the sum of its proper divisors (5045689245532).

6720553903268 is a wasteful number, since it uses less digits than its factorization.

6720553903268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84539 (or 84537 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 56.

The spelling of 6720553903268 in words is "six trillion, seven hundred twenty billion, five hundred fifty-three million, nine hundred three thousand, two hundred sixty-eight".