7068216522544 has 20 divisors (see below), whose sum is σ = 13785362692720. Its totient is φ = 3510703569600.

The previous prime is 7068216522529. The next prime is 7068216522553. The reversal of 7068216522544 is 4452256128607.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7068216522491 and 7068216522500.

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, 1462790739 + ... + 1462795570.

It is an arithmetic number, because the mean of its divisors is an integer number (689268134636).

Almost surely, 2^{7068216522544} is an apocalyptic number.

It is an amenable number.

7068216522544 is a deficient number, since it is larger than the sum of its proper divisors (6717146170176).

7068216522544 is a wasteful number, since it uses less digits than its factorization.

7068216522544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925586468 (or 2925586462 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 7068216522544 in words is "seven trillion, sixty-eight billion, two hundred sixteen million, five hundred twenty-two thousand, five hundred forty-four".