665056611108 has 144 divisors (see below), whose sum is σ = 1934131530240. Its totient is φ = 191287526400.

The previous prime is 665056611103. The next prime is 665056611119. The reversal of 665056611108 is 801116650566.

665056611108 is a `hidden beast` number, since 6 + 65 + 0 + 566 + 11 + 10 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (665056611101) 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 47 ways as a sum of consecutive naturals, for example, 562023 + ... + 1282958.

It is an arithmetic number, because the mean of its divisors is an integer number (13431468960).

Almost surely, 2^665056611108 is an apocalyptic number.

665056611108 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

665056611108 is an abundant number, since it is smaller than the sum of its proper divisors (1269074919132).

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

665056611108 is a wasteful number, since it uses less digits than its factorization.

665056611108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845058 (or 1845053 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 665056611108 in words is "six hundred sixty-five billion, fifty-six million, six hundred eleven thousand, one hundred eight".