7223657540656 has 20 divisors (see below), whose sum is σ = 14027007627000. Its totient is φ = 3603784604672.

The previous prime is 7223657540587. The next prime is 7223657540683. The reversal of 7223657540656 is 6560457563227.

It is a self number, because there is not a number n which added to its sum of digits gives 7223657540656.

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, 502752946 + ... + 502767313.

It is an arithmetic number, because the mean of its divisors is an integer number (701350381350).

Almost surely, 2^{7223657540656} is an apocalyptic number.

It is an amenable number.

7223657540656 is a deficient number, since it is larger than the sum of its proper divisors (6803350086344).

7223657540656 is a wasteful number, since it uses less digits than its factorization.

7223657540656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005520716 (or 1005520710 counting only the distinct ones).

The product of its (nonzero) digits is 63504000, while the sum is 58.

The spelling of 7223657540656 in words is "seven trillion, two hundred twenty-three billion, six hundred fifty-seven million, five hundred forty thousand, six hundred fifty-six".