6720103558417 has 8 divisors (see below), whose sum is σ = 6812923357640. Its totient is φ = 6627304396800.

The previous prime is 6720103558391. The next prime is 6720103558499. The reversal of 6720103558417 is 7148553010276.

It can be written as a sum of positive squares in 4 ways, for example, as 25832204176 + 6694271354241 = 160724^2 + 2587329^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6720103558417 - 2³¹ = 6717956074769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6720103558717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4503084 + ... + 5806717.

It is an arithmetic number, because the mean of its divisors is an integer number (851615419705).

Almost surely, 2^{6720103558417} is an apocalyptic number.

It is an amenable number.

6720103558417 is a deficient number, since it is larger than the sum of its proper divisors (92819799223).

6720103558417 is a wasteful number, since it uses less digits than its factorization.

6720103558417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10318803.

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 6720103558417 in words is "six trillion, seven hundred twenty billion, one hundred three million, five hundred fifty-eight thousand, four hundred seventeen".