655060500066 has 48 divisors (see below), whose sum is σ = 1531997591040. Its totient is φ = 186180230880.

The previous prime is 655060500049. The next prime is 655060500071. The reversal of 655060500066 is 660005060556.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 655060499997 and 655060500033.

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 23 ways as a sum of consecutive naturals, for example, 5776561 + ... + 5888868.

It is an arithmetic number, because the mean of its divisors is an integer number (31916616480).

Almost surely, 2^655060500066 is an apocalyptic number.

655060500066 is an abundant number, since it is smaller than the sum of its proper divisors (876937090974).

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

655060500066 is a wasteful number, since it uses less digits than its factorization.

655060500066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11665639 (or 11665632 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 655060500066 in words is "six hundred fifty-five billion, sixty million, five hundred thousand, sixty-six".