7122408038656 has 27 divisors (see below), whose sum is σ = 14217079405711. Its totient is φ = 3561182669056.

The previous prime is 7122408038591. The next prime is 7122408038671. The reversal of 7122408038656 is 6568308042217.

The square root of 7122408038656 is 2668784.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×7122408038656² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 42617145 + ... + 42783943.

Almost surely, 2^{7122408038656} is an apocalyptic number.

7122408038656 is the 2668784-th square number.

It is an amenable number.

7122408038656 is a deficient number, since it is larger than the sum of its proper divisors (7094671367055).

7122408038656 is an frugal number, since it uses more digits than its factorization.

7122408038656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333614 (or 166801 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 7122408038656 in words is "seven trillion, one hundred twenty-two billion, four hundred eight million, thirty-eight thousand, six hundred fifty-six".