722616345456 has 80 divisors (see below), whose sum is σ = 1872772884864. Its totient is φ = 240097358592.

The previous prime is 722616345391. The next prime is 722616345491. The reversal of 722616345456 is 654543616227.

It is a junction number, because it is equal to n+sod(n) for n = 722616345399 and 722616345408.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 19226875 + ... + 19264421.

Almost surely, 2^722616345456 is an apocalyptic number.

It is an amenable number.

722616345456 is an abundant number, since it is smaller than the sum of its proper divisors (1150156539408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722616345456 is a wasteful number, since it uses less digits than its factorization.

722616345456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38838 (or 38832 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 51.

The spelling of 722616345456 in words is "seven hundred twenty-two billion, six hundred sixteen million, three hundred forty-five thousand, four hundred fifty-six".