655620675068 has 12 divisors (see below), whose sum is σ = 1147802785080. Its totient is φ = 327677022192.

The previous prime is 655620675067. The next prime is 655620675097. The reversal of 655620675068 is 860576026556.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655620675067) 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 3 ways as a sum of consecutive naturals, for example, 33317771 + ... + 33337442.

It is an arithmetic number, because the mean of its divisors is an integer number (95650232090).

Almost surely, 2^655620675068 is an apocalyptic number.

It is an amenable number.

655620675068 is a deficient number, since it is larger than the sum of its proper divisors (492182110012).

655620675068 is a wasteful number, since it uses less digits than its factorization.

655620675068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66657676 (or 66657674 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 56.

The spelling of 655620675068 in words is "six hundred fifty-five billion, six hundred twenty million, six hundred seventy-five thousand, sixty-eight".