655236468 has 18 divisors (see below), whose sum is σ = 1656292274. Its totient is φ = 218412144.

The previous prime is 655236437. The next prime is 655236473. The reversal of 655236468 is 864632556.

655236468 is a `hidden beast` number, since 6 + 5 + 523 + 64 + 68 = 666.

655236468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 530288784 + 124947684 = 23028^2 + 11178^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9100471 + ... + 9100542.

Almost surely, 2^655236468 is an apocalyptic number.

It is an amenable number.

655236468 is an abundant number, since it is smaller than the sum of its proper divisors (1001055806).

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

655236468 is a wasteful number, since it uses less digits than its factorization.

655236468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18201023 (or 18201018 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 655236468 is about 25597.5871519173. The cubic root of 655236468 is about 868.5590574751.

The spelling of 655236468 in words is "six hundred fifty-five million, two hundred thirty-six thousand, four hundred sixty-eight".