655595785628 has 24 divisors (see below), whose sum is σ = 1311225412224. Its totient is φ = 280962370800.

The previous prime is 655595785571. The next prime is 655595785661. The reversal of 655595785628 is 826587595556.

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 7 ways as a sum of consecutive naturals, for example, 883763 + ... + 1446453.

It is an arithmetic number, because the mean of its divisors is an integer number (54634392176).

Almost surely, 2^655595785628 is an apocalyptic number.

It is an amenable number.

655595785628 is an abundant number, since it is smaller than the sum of its proper divisors (655629626596).

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

655595785628 is a wasteful number, since it uses less digits than its factorization.

655595785628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604313 (or 604311 counting only the distinct ones).

The product of its digits is 907200000, while the sum is 71.

The spelling of 655595785628 in words is "six hundred fifty-five billion, five hundred ninety-five million, seven hundred eighty-five thousand, six hundred twenty-eight".