6722790790018 has 8 divisors (see below), whose sum is σ = 10085470327548. Its totient is φ = 3360967347504.

The previous prime is 6722790790007. The next prime is 6722790790061. The reversal of 6722790790018 is 8100970972276.

It can be written as a sum of positive squares in 2 ways, for example, as 5467165210809 + 1255625579209 = 2338197^2 + 1120547^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 214004121 + ... + 214035532.

Almost surely, 2^{6722790790018} is an apocalyptic number.

6722790790018 is a deficient number, since it is larger than the sum of its proper divisors (3362679537530).

6722790790018 is a wasteful number, since it uses less digits than its factorization.

6722790790018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428047508.

The product of its (nonzero) digits is 5334336, while the sum is 58.

The spelling of 6722790790018 in words is "six trillion, seven hundred twenty-two billion, seven hundred ninety million, seven hundred ninety thousand, eighteen".