655985650976 has 48 divisors (see below), whose sum is σ = 1324984197600. Its totient is φ = 319580126208.

The previous prime is 655985650973. The next prime is 655985651011. The reversal of 655985650976 is 679056589556.

It is not an unprimeable number, because it can be changed into a prime (655985650973) by changing a digit.

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, 1324046 + ... + 1750733.

It is an arithmetic number, because the mean of its divisors is an integer number (27603837450).

Almost surely, 2^655985650976 is an apocalyptic number.

It is an amenable number.

655985650976 is an abundant number, since it is smaller than the sum of its proper divisors (668998546624).

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

655985650976 is a wasteful number, since it uses less digits than its factorization.

655985650976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074961 (or 3074953 counting only the distinct ones).

The product of its (nonzero) digits is 612360000, while the sum is 71.

The spelling of 655985650976 in words is "six hundred fifty-five billion, nine hundred eighty-five million, six hundred fifty thousand, nine hundred seventy-six".