516722319556 has 9 divisors (see below), whose sum is σ = 904266575149. Its totient is φ = 258360440944.

The previous prime is 516722319527. The next prime is 516722319563. The reversal of 516722319556 is 655913227615.

The square root of 516722319556 is 718834.

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

It can be written as a sum of positive squares in only one way, i.e., 60265340100 + 456456979456 = 245490^2 + 675616^2 .

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, 1257960 + ... + 1617376.

Almost surely, 2^516722319556 is an apocalyptic number.

516722319556 is the 718834-th square number.

It is an amenable number.

516722319556 is a deficient number, since it is larger than the sum of its proper divisors (387544255593).

516722319556 is an frugal number, since it uses more digits than its factorization.

516722319556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718838 (or 359419 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 52.

The spelling of 516722319556 in words is "five hundred sixteen billion, seven hundred twenty-two million, three hundred nineteen thousand, five hundred fifty-six".