655606567 has 16 divisors (see below), whose sum is σ = 845568000. Its totient is φ = 493244640.

The previous prime is 655606561. The next prime is 655606597. The reversal of 655606567 is 765606556.

655606567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-655606567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655606561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144567 + ... + 149032.

It is an arithmetic number, because the mean of its divisors is an integer number (52848000).

Almost surely, 2^655606567 is an apocalyptic number.

655606567 is a deficient number, since it is larger than the sum of its proper divisors (189961433).

655606567 is a wasteful number, since it uses less digits than its factorization.

655606567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293646.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The square root of 655606567 is about 25604.8153088438. The cubic root of 655606567 is about 868.7225568889.

It can be divided in two parts, 65560 and 6567, that added together give a palindrome (72127).

The spelling of 655606567 in words is "six hundred fifty-five million, six hundred six thousand, five hundred sixty-seven".