652722618056 has 8 divisors (see below), whose sum is σ = 1223854908870. Its totient is φ = 326361309024.

The previous prime is 652722618001. The next prime is 652722618073. The reversal of 652722618056 is 650816227256.

It can be written as a sum of positive squares in only one way, i.e., 647435873956 + 5286744100 = 804634^2 + 72710^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×652722618056² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 652722617995 and 652722618013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40795163621 + ... + 40795163636.

Almost surely, 2^652722618056 is an apocalyptic number.

It is an amenable number.

652722618056 is a deficient number, since it is larger than the sum of its proper divisors (571132290814).

652722618056 is a wasteful number, since it uses less digits than its factorization.

652722618056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81590327263 (or 81590327259 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 652722618056 in words is "six hundred fifty-two billion, seven hundred twenty-two million, six hundred eighteen thousand, fifty-six".