665055611022 has 16 divisors (see below), whose sum is σ = 1451030424192. Its totient is φ = 201532003320.

The previous prime is 665055611021. The next prime is 665055611029. The reversal of 665055611022 is 220116550566.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665055611021) 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, 5038300018 + ... + 5038300149.

It is an arithmetic number, because the mean of its divisors is an integer number (90689401512).

Almost surely, 2^665055611022 is an apocalyptic number.

665055611022 is an abundant number, since it is smaller than the sum of its proper divisors (785974813170).

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

665055611022 is a wasteful number, since it uses less digits than its factorization.

665055611022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10076600183.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 665055611022 in words is "six hundred sixty-five billion, fifty-five million, six hundred eleven thousand, twenty-two".