652801561656 has 16 divisors (see below), whose sum is σ = 1632003904200. Its totient is φ = 217600520544.

The previous prime is 652801561597. The next prime is 652801561729. The reversal of 652801561656 is 656165108256.

It is a super-2 number, since 2×652801561656² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 652801561599 and 652801561608.

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 3 ways as a sum of consecutive naturals, for example, 13600032511 + ... + 13600032558.

Almost surely, 2^652801561656 is an apocalyptic number.

It is an amenable number.

652801561656 is an abundant number, since it is smaller than the sum of its proper divisors (979202342544).

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

652801561656 is a wasteful number, since it uses less digits than its factorization.

652801561656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27200065078 (or 27200065074 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 51.

The spelling of 652801561656 in words is "six hundred fifty-two billion, eight hundred one million, five hundred sixty-one thousand, six hundred fifty-six".